Home / 72,470.24-108,650.54-47,516.57

Finding the Fourth Proportional to 72,470.24, 108,650.54 and 47,516.57

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Solution

The fourth proportional to 72,470.24, 108,650.54 and 47,516.57 is: 71,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,470.24 : 108,650.54 = 47,516.57 : x
  2. Step 2: Convert to fraction form
    72,470.24/108,650.54 = 47,516.57/x
  3. Step 3: Cross multiply
    72,470.24x = 108,650.54 × 47,516.57
  4. Step 4: Simplify right side
    72,470.24x = 5,162,700,564.99
  5. Step 5: Solve for x
    x = 5,162,700,564.99/72,470.24
  6. Step 6: Final answer
    x = 71,238.91

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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.