Home / 71,669.46-98,917.57-47,470.71

Finding the Fourth Proportional to 71,669.46, 98,917.57 and 47,470.71

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Solution

The fourth proportional to 71,669.46, 98,917.57 and 47,470.71 is: 65,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,669.46 : 98,917.57 = 47,470.71 : x
  2. Step 2: Convert to fraction form
    71,669.46/98,917.57 = 47,470.71/x
  3. Step 3: Cross multiply
    71,669.46x = 98,917.57 × 47,470.71
  4. Step 4: Simplify right side
    71,669.46x = 4,695,687,279.37
  5. Step 5: Solve for x
    x = 4,695,687,279.37/71,669.46
  6. Step 6: Final answer
    x = 65,518.66

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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.