Home / 73,729.13-101,717.31-45,385.61

Finding the Fourth Proportional to 73,729.13, 101,717.31 and 45,385.61

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Solution

The fourth proportional to 73,729.13, 101,717.31 and 45,385.61 is: 62,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,729.13 : 101,717.31 = 45,385.61 : x
  2. Step 2: Convert to fraction form
    73,729.13/101,717.31 = 45,385.61/x
  3. Step 3: Cross multiply
    73,729.13x = 101,717.31 × 45,385.61
  4. Step 4: Simplify right side
    73,729.13x = 4,616,501,653.32
  5. Step 5: Solve for x
    x = 4,616,501,653.32/73,729.13
  6. Step 6: Final answer
    x = 62,614.36

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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.