Home / 89,715.10-134,573.68-38,416.86

Finding the Fourth Proportional to 89,715.10, 134,573.68 and 38,416.86

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Solution

The fourth proportional to 89,715.10, 134,573.68 and 38,416.86 is: 57,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,715.10 : 134,573.68 = 38,416.86 : x
  2. Step 2: Convert to fraction form
    89,715.10/134,573.68 = 38,416.86/x
  3. Step 3: Cross multiply
    89,715.10x = 134,573.68 × 38,416.86
  4. Step 4: Simplify right side
    89,715.10x = 5,169,898,224.24
  5. Step 5: Solve for x
    x = 5,169,898,224.24/89,715.10
  6. Step 6: Final answer
    x = 57,625.73

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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.