Home / 77,542.90-107,049.85-52,182.61

Finding the Fourth Proportional to 77,542.90, 107,049.85 and 52,182.61

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Solution

The fourth proportional to 77,542.90, 107,049.85 and 52,182.61 is: 72,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,542.90 : 107,049.85 = 52,182.61 : x
  2. Step 2: Convert to fraction form
    77,542.90/107,049.85 = 52,182.61/x
  3. Step 3: Cross multiply
    77,542.90x = 107,049.85 × 52,182.61
  4. Step 4: Simplify right side
    77,542.90x = 5,586,140,175.03
  5. Step 5: Solve for x
    x = 5,586,140,175.03/77,542.90
  6. Step 6: Final answer
    x = 72,039.35

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1.5x scale

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.