Home / 87,269.68-120,444.30-49,032.19

Finding the Fourth Proportional to 87,269.68, 120,444.30 and 49,032.19

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Solution

The fourth proportional to 87,269.68, 120,444.30 and 49,032.19 is: 67,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,269.68 : 120,444.30 = 49,032.19 : x
  2. Step 2: Convert to fraction form
    87,269.68/120,444.30 = 49,032.19/x
  3. Step 3: Cross multiply
    87,269.68x = 120,444.30 × 49,032.19
  4. Step 4: Simplify right side
    87,269.68x = 5,905,647,500.91
  5. Step 5: Solve for x
    x = 5,905,647,500.91/87,269.68
  6. Step 6: Final answer
    x = 67,671.24

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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.