Home / 65,027.38-97,543.78-31,707.76

Finding the Fourth Proportional to 65,027.38, 97,543.78 and 31,707.76

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Solution

The fourth proportional to 65,027.38, 97,543.78 and 31,707.76 is: 47,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,027.38 : 97,543.78 = 31,707.76 : x
  2. Step 2: Convert to fraction form
    65,027.38/97,543.78 = 31,707.76/x
  3. Step 3: Cross multiply
    65,027.38x = 97,543.78 × 31,707.76
  4. Step 4: Simplify right side
    65,027.38x = 3,092,894,765.73
  5. Step 5: Solve for x
    x = 3,092,894,765.73/65,027.38
  6. Step 6: Final answer
    x = 47,562.96

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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.