Home / 87,328.99-120,526.77-49,091.69

Finding the Fourth Proportional to 87,328.99, 120,526.77 and 49,091.69

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Solution

The fourth proportional to 87,328.99, 120,526.77 and 49,091.69 is: 67,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.99 : 120,526.77 = 49,091.69 : x
  2. Step 2: Convert to fraction form
    87,328.99/120,526.77 = 49,091.69/x
  3. Step 3: Cross multiply
    87,328.99x = 120,526.77 × 49,091.69
  4. Step 4: Simplify right side
    87,328.99x = 5,916,862,360.85
  5. Step 5: Solve for x
    x = 5,916,862,360.85/87,328.99
  6. Step 6: Final answer
    x = 67,753.70

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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.