Home / 89,715.42-134,572.38-23,149.86

Finding the Fourth Proportional to 89,715.42, 134,572.38 and 23,149.86

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Solution

The fourth proportional to 89,715.42, 134,572.38 and 23,149.86 is: 34,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,715.42 : 134,572.38 = 23,149.86 : x
  2. Step 2: Convert to fraction form
    89,715.42/134,572.38 = 23,149.86/x
  3. Step 3: Cross multiply
    89,715.42x = 134,572.38 × 23,149.86
  4. Step 4: Simplify right side
    89,715.42x = 3,115,331,756.87
  5. Step 5: Solve for x
    x = 3,115,331,756.87/89,715.42
  6. Step 6: Final answer
    x = 34,724.60

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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.