Home / 84,529.12-126,766.32-37,815.52

Finding the Fourth Proportional to 84,529.12, 126,766.32 and 37,815.52

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Solution

The fourth proportional to 84,529.12, 126,766.32 and 37,815.52 is: 56,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.12 : 126,766.32 = 37,815.52 : x
  2. Step 2: Convert to fraction form
    84,529.12/126,766.32 = 37,815.52/x
  3. Step 3: Cross multiply
    84,529.12x = 126,766.32 × 37,815.52
  4. Step 4: Simplify right side
    84,529.12x = 4,793,734,309.29
  5. Step 5: Solve for x
    x = 4,793,734,309.29/84,529.12
  6. Step 6: Final answer
    x = 56,711.04

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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.