Home / 80,543.64-111,145.44-44,732.76

Finding the Fourth Proportional to 80,543.64, 111,145.44 and 44,732.76

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Solution

The fourth proportional to 80,543.64, 111,145.44 and 44,732.76 is: 61,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.64 : 111,145.44 = 44,732.76 : x
  2. Step 2: Convert to fraction form
    80,543.64/111,145.44 = 44,732.76/x
  3. Step 3: Cross multiply
    80,543.64x = 111,145.44 × 44,732.76
  4. Step 4: Simplify right side
    80,543.64x = 4,971,842,292.61
  5. Step 5: Solve for x
    x = 4,971,842,292.61/80,543.64
  6. Step 6: Final answer
    x = 61,728.55

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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.