Home / 63,520.06-87,437.68-54,902.32

Finding the Fourth Proportional to 63,520.06, 87,437.68 and 54,902.32

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Solution

The fourth proportional to 63,520.06, 87,437.68 and 54,902.32 is: 75,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.06 : 87,437.68 = 54,902.32 : x
  2. Step 2: Convert to fraction form
    63,520.06/87,437.68 = 54,902.32/x
  3. Step 3: Cross multiply
    63,520.06x = 87,437.68 × 54,902.32
  4. Step 4: Simplify right side
    63,520.06x = 4,800,531,487.42
  5. Step 5: Solve for x
    x = 4,800,531,487.42/63,520.06
  6. Step 6: Final answer
    x = 75,575.05

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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.