Home / 97,780.52-134,925.97-54,754.03

Finding the Fourth Proportional to 97,780.52, 134,925.97 and 54,754.03

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Solution

The fourth proportional to 97,780.52, 134,925.97 and 54,754.03 is: 75,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,780.52 : 134,925.97 = 54,754.03 : x
  2. Step 2: Convert to fraction form
    97,780.52/134,925.97 = 54,754.03/x
  3. Step 3: Cross multiply
    97,780.52x = 134,925.97 × 54,754.03
  4. Step 4: Simplify right side
    97,780.52x = 7,387,740,609.16
  5. Step 5: Solve for x
    x = 7,387,740,609.16/97,780.52
  6. Step 6: Final answer
    x = 75,554.32

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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.