Home / 77,552.17-107,062.65-52,191.88

Finding the Fourth Proportional to 77,552.17, 107,062.65 and 52,191.88

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Solution

The fourth proportional to 77,552.17, 107,062.65 and 52,191.88 is: 72,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,552.17 : 107,062.65 = 52,191.88 : x
  2. Step 2: Convert to fraction form
    77,552.17/107,062.65 = 52,191.88/x
  3. Step 3: Cross multiply
    77,552.17x = 107,062.65 × 52,191.88
  4. Step 4: Simplify right side
    77,552.17x = 5,587,800,981.28
  5. Step 5: Solve for x
    x = 5,587,800,981.28/77,552.17
  6. Step 6: Final answer
    x = 72,052.16

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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.