Home / 53,213.40-79,851.17-29,540.88

Finding the Fourth Proportional to 53,213.40, 79,851.17 and 29,540.88

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Solution

The fourth proportional to 53,213.40, 79,851.17 and 29,540.88 is: 44,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.40 : 79,851.17 = 29,540.88 : x
  2. Step 2: Convert to fraction form
    53,213.40/79,851.17 = 29,540.88/x
  3. Step 3: Cross multiply
    53,213.40x = 79,851.17 × 29,540.88
  4. Step 4: Simplify right side
    53,213.40x = 2,358,873,683.13
  5. Step 5: Solve for x
    x = 2,358,873,683.13/53,213.40
  6. Step 6: Final answer
    x = 44,328.57

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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.