Home / 55,778.04-76,975.50-31,904.76

Finding the Fourth Proportional to 55,778.04, 76,975.50 and 31,904.76

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Solution

The fourth proportional to 55,778.04, 76,975.50 and 31,904.76 is: 44,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.04 : 76,975.50 = 31,904.76 : x
  2. Step 2: Convert to fraction form
    55,778.04/76,975.50 = 31,904.76/x
  3. Step 3: Cross multiply
    55,778.04x = 76,975.50 × 31,904.76
  4. Step 4: Simplify right side
    55,778.04x = 2,455,884,853.38
  5. Step 5: Solve for x
    x = 2,455,884,853.38/55,778.04
  6. Step 6: Final answer
    x = 44,029.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.