Home / 87,899.04-121,301.01-47,612.88

Finding the Fourth Proportional to 87,899.04, 121,301.01 and 47,612.88

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Solution

The fourth proportional to 87,899.04, 121,301.01 and 47,612.88 is: 65,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899.04 : 121,301.01 = 47,612.88 : x
  2. Step 2: Convert to fraction form
    87,899.04/121,301.01 = 47,612.88/x
  3. Step 3: Cross multiply
    87,899.04x = 121,301.01 × 47,612.88
  4. Step 4: Simplify right side
    87,899.04x = 5,775,490,433.01
  5. Step 5: Solve for x
    x = 5,775,490,433.01/87,899.04
  6. Step 6: Final answer
    x = 65,705.96

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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.