Home / 99,652.20-137,442.27-63,845.56

Finding the Fourth Proportional to 99,652.20, 137,442.27 and 63,845.56

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Solution

The fourth proportional to 99,652.20, 137,442.27 and 63,845.56 is: 88,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652.20 : 137,442.27 = 63,845.56 : x
  2. Step 2: Convert to fraction form
    99,652.20/137,442.27 = 63,845.56/x
  3. Step 3: Cross multiply
    99,652.20x = 137,442.27 × 63,845.56
  4. Step 4: Simplify right side
    99,652.20x = 8,775,078,695.82
  5. Step 5: Solve for x
    x = 8,775,078,695.82/99,652.20
  6. Step 6: Final answer
    x = 88,057.05

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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.