Home / 87,372.02-120,574.23-49,646.54

Finding the Fourth Proportional to 87,372.02, 120,574.23 and 49,646.54

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Solution

The fourth proportional to 87,372.02, 120,574.23 and 49,646.54 is: 68,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.02 : 120,574.23 = 49,646.54 : x
  2. Step 2: Convert to fraction form
    87,372.02/120,574.23 = 49,646.54/x
  3. Step 3: Cross multiply
    87,372.02x = 120,574.23 × 49,646.54
  4. Step 4: Simplify right side
    87,372.02x = 5,986,093,332.66
  5. Step 5: Solve for x
    x = 5,986,093,332.66/87,372.02
  6. Step 6: Final answer
    x = 68,512.70

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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.