Home / 87,626.01-120,923.96-47,339.76

Finding the Fourth Proportional to 87,626.01, 120,923.96 and 47,339.76

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Solution

The fourth proportional to 87,626.01, 120,923.96 and 47,339.76 is: 65,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,626.01 : 120,923.96 = 47,339.76 : x
  2. Step 2: Convert to fraction form
    87,626.01/120,923.96 = 47,339.76/x
  3. Step 3: Cross multiply
    87,626.01x = 120,923.96 × 47,339.76
  4. Step 4: Simplify right side
    87,626.01x = 5,724,510,781.22
  5. Step 5: Solve for x
    x = 5,724,510,781.22/87,626.01
  6. Step 6: Final answer
    x = 65,328.90

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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.