Home / 92,301.28-138,484.08-29,131.16

Finding the Fourth Proportional to 92,301.28, 138,484.08 and 29,131.16

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Solution

The fourth proportional to 92,301.28, 138,484.08 and 29,131.16 is: 43,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,301.28 : 138,484.08 = 29,131.16 : x
  2. Step 2: Convert to fraction form
    92,301.28/138,484.08 = 29,131.16/x
  3. Step 3: Cross multiply
    92,301.28x = 138,484.08 × 29,131.16
  4. Step 4: Simplify right side
    92,301.28x = 4,034,201,891.93
  5. Step 5: Solve for x
    x = 4,034,201,891.93/92,301.28
  6. Step 6: Final answer
    x = 43,706.89

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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.