Home / 87,041.66-120,115.37-48,803.11

Finding the Fourth Proportional to 87,041.66, 120,115.37 and 48,803.11

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Solution

The fourth proportional to 87,041.66, 120,115.37 and 48,803.11 is: 67,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,041.66 : 120,115.37 = 48,803.11 : x
  2. Step 2: Convert to fraction form
    87,041.66/120,115.37 = 48,803.11/x
  3. Step 3: Cross multiply
    87,041.66x = 120,115.37 × 48,803.11
  4. Step 4: Simplify right side
    87,041.66x = 5,862,003,436.52
  5. Step 5: Solve for x
    x = 5,862,003,436.52/87,041.66
  6. Step 6: Final answer
    x = 67,347.10

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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.