Home / 87,038.93-120,114.03-54,794.88

Finding the Fourth Proportional to 87,038.93, 120,114.03 and 54,794.88

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Solution

The fourth proportional to 87,038.93, 120,114.03 and 54,794.88 is: 75,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,038.93 : 120,114.03 = 54,794.88 : x
  2. Step 2: Convert to fraction form
    87,038.93/120,114.03 = 54,794.88/x
  3. Step 3: Cross multiply
    87,038.93x = 120,114.03 × 54,794.88
  4. Step 4: Simplify right side
    87,038.93x = 6,581,633,860.17
  5. Step 5: Solve for x
    x = 6,581,633,860.17/87,038.93
  6. Step 6: Final answer
    x = 75,617.13

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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.