Home / 87,504.56-120,756.66-49,264.76

Finding the Fourth Proportional to 87,504.56, 120,756.66 and 49,264.76

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Solution

The fourth proportional to 87,504.56, 120,756.66 and 49,264.76 is: 67,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,504.56 : 120,756.66 = 49,264.76 : x
  2. Step 2: Convert to fraction form
    87,504.56/120,756.66 = 49,264.76/x
  3. Step 3: Cross multiply
    87,504.56x = 120,756.66 × 49,264.76
  4. Step 4: Simplify right side
    87,504.56x = 5,949,047,873.30
  5. Step 5: Solve for x
    x = 5,949,047,873.30/87,504.56
  6. Step 6: Final answer
    x = 67,985.58

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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.