Home / 87,274.59-120,438.68-50,983.15

Finding the Fourth Proportional to 87,274.59, 120,438.68 and 50,983.15

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Solution

The fourth proportional to 87,274.59, 120,438.68 and 50,983.15 is: 70,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.59 : 120,438.68 = 50,983.15 : x
  2. Step 2: Convert to fraction form
    87,274.59/120,438.68 = 50,983.15/x
  3. Step 3: Cross multiply
    87,274.59x = 120,438.68 × 50,983.15
  4. Step 4: Simplify right side
    87,274.59x = 6,140,343,288.24
  5. Step 5: Solve for x
    x = 6,140,343,288.24/87,274.59
  6. Step 6: Final answer
    x = 70,356.60

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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.