Home / 122,470.92-183,718-47,596.85

Finding the Fourth Proportional to 122,470.92, 183,718 and 47,596.85

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Solution

The fourth proportional to 122,470.92, 183,718 and 47,596.85 is: 71,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,470.92 : 183,718 = 47,596.85 : x
  2. Step 2: Convert to fraction form
    122,470.92/183,718 = 47,596.85/x
  3. Step 3: Cross multiply
    122,470.92x = 183,718 × 47,596.85
  4. Step 4: Simplify right side
    122,470.92x = 8,744,398,088.30
  5. Step 5: Solve for x
    x = 8,744,398,088.30/122,470.92
  6. Step 6: Final answer
    x = 71,399.79

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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.