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Finding the Fourth Proportional to 63,737.64, 95,648.76 and 42,700.32

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Solution

The fourth proportional to 63,737.64, 95,648.76 and 42,700.32 is: 64,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,737.64 : 95,648.76 = 42,700.32 : x
  2. Step 2: Convert to fraction form
    63,737.64/95,648.76 = 42,700.32/x
  3. Step 3: Cross multiply
    63,737.64x = 95,648.76 × 42,700.32
  4. Step 4: Simplify right side
    63,737.64x = 4,084,232,659.60
  5. Step 5: Solve for x
    x = 4,084,232,659.60/63,737.64
  6. Step 6: Final answer
    x = 64,078.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.