Home / 71,664.13-107,495.29-43,591.87

Finding the Fourth Proportional to 71,664.13, 107,495.29 and 43,591.87

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Solution

The fourth proportional to 71,664.13, 107,495.29 and 43,591.87 is: 65,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,664.13 : 107,495.29 = 43,591.87 : x
  2. Step 2: Convert to fraction form
    71,664.13/107,495.29 = 43,591.87/x
  3. Step 3: Cross multiply
    71,664.13x = 107,495.29 × 43,591.87
  4. Step 4: Simplify right side
    71,664.13x = 4,685,920,707.29
  5. Step 5: Solve for x
    x = 4,685,920,707.29/71,664.13
  6. Step 6: Final answer
    x = 65,387.25

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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.