Home / 54,397.20-81,628.14-29,436.74

Finding the Fourth Proportional to 54,397.20, 81,628.14 and 29,436.74

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Solution

The fourth proportional to 54,397.20, 81,628.14 and 29,436.74 is: 44,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.20 : 81,628.14 = 29,436.74 : x
  2. Step 2: Convert to fraction form
    54,397.20/81,628.14 = 29,436.74/x
  3. Step 3: Cross multiply
    54,397.20x = 81,628.14 × 29,436.74
  4. Step 4: Simplify right side
    54,397.20x = 2,402,866,333.86
  5. Step 5: Solve for x
    x = 2,402,866,333.86/54,397.20
  6. Step 6: Final answer
    x = 44,172.61

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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.