Home / 87,167.79-120,281.63-48,922.16

Finding the Fourth Proportional to 87,167.79, 120,281.63 and 48,922.16

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Solution

The fourth proportional to 87,167.79, 120,281.63 and 48,922.16 is: 67,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.79 : 120,281.63 = 48,922.16 : x
  2. Step 2: Convert to fraction form
    87,167.79/120,281.63 = 48,922.16/x
  3. Step 3: Cross multiply
    87,167.79x = 120,281.63 × 48,922.16
  4. Step 4: Simplify right side
    87,167.79x = 5,884,436,301.90
  5. Step 5: Solve for x
    x = 5,884,436,301.90/87,167.79
  6. Step 6: Final answer
    x = 67,507.00

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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.