Home / 97,780.46-134,925.88-54,753.97

Finding the Fourth Proportional to 97,780.46, 134,925.88 and 54,753.97

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Solution

The fourth proportional to 97,780.46, 134,925.88 and 54,753.97 is: 75,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,780.46 : 134,925.88 = 54,753.97 : x
  2. Step 2: Convert to fraction form
    97,780.46/134,925.88 = 54,753.97/x
  3. Step 3: Cross multiply
    97,780.46x = 134,925.88 × 54,753.97
  4. Step 4: Simplify right side
    97,780.46x = 7,387,727,585.74
  5. Step 5: Solve for x
    x = 7,387,727,585.74/97,780.46
  6. Step 6: Final answer
    x = 75,554.23

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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.