Home / 47,531.71-71,155.47-28,755.04

Finding the Fourth Proportional to 47,531.71, 71,155.47 and 28,755.04

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Solution

The fourth proportional to 47,531.71, 71,155.47 and 28,755.04 is: 43,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.71 : 71,155.47 = 28,755.04 : x
  2. Step 2: Convert to fraction form
    47,531.71/71,155.47 = 28,755.04/x
  3. Step 3: Cross multiply
    47,531.71x = 71,155.47 × 28,755.04
  4. Step 4: Simplify right side
    47,531.71x = 2,046,078,386.07
  5. Step 5: Solve for x
    x = 2,046,078,386.07/47,531.71
  6. Step 6: Final answer
    x = 43,046.60

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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.