Home / 97,700.30-134,812.23-54,679.58

Finding the Fourth Proportional to 97,700.30, 134,812.23 and 54,679.58

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Solution

The fourth proportional to 97,700.30, 134,812.23 and 54,679.58 is: 75,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,700.30 : 134,812.23 = 54,679.58 : x
  2. Step 2: Convert to fraction form
    97,700.30/134,812.23 = 54,679.58/x
  3. Step 3: Cross multiply
    97,700.30x = 134,812.23 × 54,679.58
  4. Step 4: Simplify right side
    97,700.30x = 7,371,476,115.26
  5. Step 5: Solve for x
    x = 7,371,476,115.26/97,700.30
  6. Step 6: Final answer
    x = 75,449.88

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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.