Home / 73,865.25-101,934.18-40,331.25

Finding the Fourth Proportional to 73,865.25, 101,934.18 and 40,331.25

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Solution

The fourth proportional to 73,865.25, 101,934.18 and 40,331.25 is: 55,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.25 : 101,934.18 = 40,331.25 : x
  2. Step 2: Convert to fraction form
    73,865.25/101,934.18 = 40,331.25/x
  3. Step 3: Cross multiply
    73,865.25x = 101,934.18 × 40,331.25
  4. Step 4: Simplify right side
    73,865.25x = 4,111,132,897.13
  5. Step 5: Solve for x
    x = 4,111,132,897.13/73,865.25
  6. Step 6: Final answer
    x = 55,657.20

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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.