Home / 64,733.25-89,319.10-40,892.61

Finding the Fourth Proportional to 64,733.25, 89,319.10 and 40,892.61

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Solution

The fourth proportional to 64,733.25, 89,319.10 and 40,892.61 is: 56,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,733.25 : 89,319.10 = 40,892.61 : x
  2. Step 2: Convert to fraction form
    64,733.25/89,319.10 = 40,892.61/x
  3. Step 3: Cross multiply
    64,733.25x = 89,319.10 × 40,892.61
  4. Step 4: Simplify right side
    64,733.25x = 3,652,491,121.85
  5. Step 5: Solve for x
    x = 3,652,491,121.85/64,733.25
  6. Step 6: Final answer
    x = 56,423.73

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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.