Home / 77,342.38-116,035.35-29,971.78

Finding the Fourth Proportional to 77,342.38, 116,035.35 and 29,971.78

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Solution

The fourth proportional to 77,342.38, 116,035.35 and 29,971.78 is: 44,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,342.38 : 116,035.35 = 29,971.78 : x
  2. Step 2: Convert to fraction form
    77,342.38/116,035.35 = 29,971.78/x
  3. Step 3: Cross multiply
    77,342.38x = 116,035.35 × 29,971.78
  4. Step 4: Simplify right side
    77,342.38x = 3,477,785,982.42
  5. Step 5: Solve for x
    x = 3,477,785,982.42/77,342.38
  6. Step 6: Final answer
    x = 44,966.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.