Home / 74,414.19-102,693.20-40,882.35

Finding the Fourth Proportional to 74,414.19, 102,693.20 and 40,882.35

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Solution

The fourth proportional to 74,414.19, 102,693.20 and 40,882.35 is: 56,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.19 : 102,693.20 = 40,882.35 : x
  2. Step 2: Convert to fraction form
    74,414.19/102,693.20 = 40,882.35/x
  3. Step 3: Cross multiply
    74,414.19x = 102,693.20 × 40,882.35
  4. Step 4: Simplify right side
    74,414.19x = 4,198,339,140.61
  5. Step 5: Solve for x
    x = 4,198,339,140.61/74,414.19
  6. Step 6: Final answer
    x = 56,418.53

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1.5x scale

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.