Home / 73,641.52-101,631.12-41,811.76

Finding the Fourth Proportional to 73,641.52, 101,631.12 and 41,811.76

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Solution

The fourth proportional to 73,641.52, 101,631.12 and 41,811.76 is: 57,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.52 : 101,631.12 = 41,811.76 : x
  2. Step 2: Convert to fraction form
    73,641.52/101,631.12 = 41,811.76/x
  3. Step 3: Cross multiply
    73,641.52x = 101,631.12 × 41,811.76
  4. Step 4: Simplify right side
    73,641.52x = 4,249,375,997.97
  5. Step 5: Solve for x
    x = 4,249,375,997.97/73,641.52
  6. Step 6: Final answer
    x = 57,703.53

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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.