Home / 87,277.47-120,435.51-49,034.02

Finding the Fourth Proportional to 87,277.47, 120,435.51 and 49,034.02

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Solution

The fourth proportional to 87,277.47, 120,435.51 and 49,034.02 is: 67,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,277.47 : 120,435.51 = 49,034.02 : x
  2. Step 2: Convert to fraction form
    87,277.47/120,435.51 = 49,034.02/x
  3. Step 3: Cross multiply
    87,277.47x = 120,435.51 × 49,034.02
  4. Step 4: Simplify right side
    87,277.47x = 5,905,437,206.05
  5. Step 5: Solve for x
    x = 5,905,437,206.05/87,277.47
  6. Step 6: Final answer
    x = 67,662.79

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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.