Home / 97,592.40-134,678.56-57,306.64

Finding the Fourth Proportional to 97,592.40, 134,678.56 and 57,306.64

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Solution

The fourth proportional to 97,592.40, 134,678.56 and 57,306.64 is: 79,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,592.40 : 134,678.56 = 57,306.64 : x
  2. Step 2: Convert to fraction form
    97,592.40/134,678.56 = 57,306.64/x
  3. Step 3: Cross multiply
    97,592.40x = 134,678.56 × 57,306.64
  4. Step 4: Simplify right side
    97,592.40x = 7,717,975,753.64
  5. Step 5: Solve for x
    x = 7,717,975,753.64/97,592.40
  6. Step 6: Final answer
    x = 79,083.78

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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.