Home / 76,397.44-114,596.74-28,999.76

Finding the Fourth Proportional to 76,397.44, 114,596.74 and 28,999.76

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Solution

The fourth proportional to 76,397.44, 114,596.74 and 28,999.76 is: 43,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,397.44 : 114,596.74 = 28,999.76 : x
  2. Step 2: Convert to fraction form
    76,397.44/114,596.74 = 28,999.76/x
  3. Step 3: Cross multiply
    76,397.44x = 114,596.74 × 28,999.76
  4. Step 4: Simplify right side
    76,397.44x = 3,323,277,781.16
  5. Step 5: Solve for x
    x = 3,323,277,781.16/76,397.44
  6. Step 6: Final answer
    x = 43,499.86

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.