Home / 87,674.40-120,988.24-49,433.60

Finding the Fourth Proportional to 87,674.40, 120,988.24 and 49,433.60

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Solution

The fourth proportional to 87,674.40, 120,988.24 and 49,433.60 is: 68,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,674.40 : 120,988.24 = 49,433.60 : x
  2. Step 2: Convert to fraction form
    87,674.40/120,988.24 = 49,433.60/x
  3. Step 3: Cross multiply
    87,674.40x = 120,988.24 × 49,433.60
  4. Step 4: Simplify right side
    87,674.40x = 5,980,884,260.86
  5. Step 5: Solve for x
    x = 5,980,884,260.86/87,674.40
  6. Step 6: Final answer
    x = 68,217.00

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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.