Home / 57,553.32-79,445.20-42,566.64

Finding the Fourth Proportional to 57,553.32, 79,445.20 and 42,566.64

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Solution

The fourth proportional to 57,553.32, 79,445.20 and 42,566.64 is: 58,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,553.32 : 79,445.20 = 42,566.64 : x
  2. Step 2: Convert to fraction form
    57,553.32/79,445.20 = 42,566.64/x
  3. Step 3: Cross multiply
    57,553.32x = 79,445.20 × 42,566.64
  4. Step 4: Simplify right side
    57,553.32x = 3,381,715,228.13
  5. Step 5: Solve for x
    x = 3,381,715,228.13/57,553.32
  6. Step 6: Final answer
    x = 58,757.95

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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.