Home / 99,654.44-137,445.36-63,847.80

Finding the Fourth Proportional to 99,654.44, 137,445.36 and 63,847.80

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Solution

The fourth proportional to 99,654.44, 137,445.36 and 63,847.80 is: 88,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,654.44 : 137,445.36 = 63,847.80 : x
  2. Step 2: Convert to fraction form
    99,654.44/137,445.36 = 63,847.80/x
  3. Step 3: Cross multiply
    99,654.44x = 137,445.36 × 63,847.80
  4. Step 4: Simplify right side
    99,654.44x = 8,775,583,856.21
  5. Step 5: Solve for x
    x = 8,775,583,856.21/99,654.44
  6. Step 6: Final answer
    x = 88,060.14

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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.