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Finding the Fourth Proportional to 92,564.69, 138,851.84 and 29,389.76

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Solution

The fourth proportional to 92,564.69, 138,851.84 and 29,389.76 is: 44,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,564.69 : 138,851.84 = 29,389.76 : x
  2. Step 2: Convert to fraction form
    92,564.69/138,851.84 = 29,389.76/x
  3. Step 3: Cross multiply
    92,564.69x = 138,851.84 × 29,389.76
  4. Step 4: Simplify right side
    92,564.69x = 4,080,821,694.68
  5. Step 5: Solve for x
    x = 4,080,821,694.68/92,564.69
  6. Step 6: Final answer
    x = 44,086.16

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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.