Home / 60,221.45-83,134.49-42,331.79

Finding the Fourth Proportional to 60,221.45, 83,134.49 and 42,331.79

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Solution

The fourth proportional to 60,221.45, 83,134.49 and 42,331.79 is: 58,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,221.45 : 83,134.49 = 42,331.79 : x
  2. Step 2: Convert to fraction form
    60,221.45/83,134.49 = 42,331.79/x
  3. Step 3: Cross multiply
    60,221.45x = 83,134.49 × 42,331.79
  4. Step 4: Simplify right side
    60,221.45x = 3,519,231,145.11
  5. Step 5: Solve for x
    x = 3,519,231,145.11/60,221.45
  6. Step 6: Final answer
    x = 58,438.17

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1.5x scale

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.