Home / 87,288.32-120,461.36-49,566.08

Finding the Fourth Proportional to 87,288.32, 120,461.36 and 49,566.08

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Solution

The fourth proportional to 87,288.32, 120,461.36 and 49,566.08 is: 68,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,288.32 : 120,461.36 = 49,566.08 : x
  2. Step 2: Convert to fraction form
    87,288.32/120,461.36 = 49,566.08/x
  3. Step 3: Cross multiply
    87,288.32x = 120,461.36 × 49,566.08
  4. Step 4: Simplify right side
    87,288.32x = 5,970,797,406.67
  5. Step 5: Solve for x
    x = 5,970,797,406.67/87,288.32
  6. Step 6: Final answer
    x = 68,403.17

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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.