Home / 69,542.70-95,961.87-42,686.34

Finding the Fourth Proportional to 69,542.70, 95,961.87 and 42,686.34

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Solution

The fourth proportional to 69,542.70, 95,961.87 and 42,686.34 is: 58,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,542.70 : 95,961.87 = 42,686.34 : x
  2. Step 2: Convert to fraction form
    69,542.70/95,961.87 = 42,686.34/x
  3. Step 3: Cross multiply
    69,542.70x = 95,961.87 × 42,686.34
  4. Step 4: Simplify right side
    69,542.70x = 4,096,261,009.86
  5. Step 5: Solve for x
    x = 4,096,261,009.86/69,542.70
  6. Step 6: Final answer
    x = 58,902.82

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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.