Home / 89,921.13-134,811.89-58,264.30

Finding the Fourth Proportional to 89,921.13, 134,811.89 and 58,264.30

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Solution

The fourth proportional to 89,921.13, 134,811.89 and 58,264.30 is: 87,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.13 : 134,811.89 = 58,264.30 : x
  2. Step 2: Convert to fraction form
    89,921.13/134,811.89 = 58,264.30/x
  3. Step 3: Cross multiply
    89,921.13x = 134,811.89 × 58,264.30
  4. Step 4: Simplify right side
    89,921.13x = 7,854,720,402.53
  5. Step 5: Solve for x
    x = 7,854,720,402.53/89,921.13
  6. Step 6: Final answer
    x = 87,351.22

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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.