Home / 69,520.80-95,931.50-42,664.44

Finding the Fourth Proportional to 69,520.80, 95,931.50 and 42,664.44

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Solution

The fourth proportional to 69,520.80, 95,931.50 and 42,664.44 is: 58,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,520.80 : 95,931.50 = 42,664.44 : x
  2. Step 2: Convert to fraction form
    69,520.80/95,931.50 = 42,664.44/x
  3. Step 3: Cross multiply
    69,520.80x = 95,931.50 × 42,664.44
  4. Step 4: Simplify right side
    69,520.80x = 4,092,863,725.86
  5. Step 5: Solve for x
    x = 4,092,863,725.86/69,520.80
  6. Step 6: Final answer
    x = 58,872.51

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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.