Home / 97,342.62-134,211.12-81,233.14

Finding the Fourth Proportional to 97,342.62, 134,211.12 and 81,233.14

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Solution

The fourth proportional to 97,342.62, 134,211.12 and 81,233.14 is: 112,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.62 : 134,211.12 = 81,233.14 : x
  2. Step 2: Convert to fraction form
    97,342.62/134,211.12 = 81,233.14/x
  3. Step 3: Cross multiply
    97,342.62x = 134,211.12 × 81,233.14
  4. Step 4: Simplify right side
    97,342.62x = 10,902,390,700.52
  5. Step 5: Solve for x
    x = 10,902,390,700.52/97,342.62
  6. Step 6: Final answer
    x = 112,000.18

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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.