Home / 52,414.29-72,331.74-28,540.95

Finding the Fourth Proportional to 52,414.29, 72,331.74 and 28,540.95

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Solution

The fourth proportional to 52,414.29, 72,331.74 and 28,540.95 is: 39,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.29 : 72,331.74 = 28,540.95 : x
  2. Step 2: Convert to fraction form
    52,414.29/72,331.74 = 28,540.95/x
  3. Step 3: Cross multiply
    52,414.29x = 72,331.74 × 28,540.95
  4. Step 4: Simplify right side
    52,414.29x = 2,064,416,432.05
  5. Step 5: Solve for x
    x = 2,064,416,432.05/52,414.29
  6. Step 6: Final answer
    x = 39,386.52

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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.