Home / 87,250.64-120,374.25-49,503.02

Finding the Fourth Proportional to 87,250.64, 120,374.25 and 49,503.02

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Solution

The fourth proportional to 87,250.64, 120,374.25 and 49,503.02 is: 68,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,250.64 : 120,374.25 = 49,503.02 : x
  2. Step 2: Convert to fraction form
    87,250.64/120,374.25 = 49,503.02/x
  3. Step 3: Cross multiply
    87,250.64x = 120,374.25 × 49,503.02
  4. Step 4: Simplify right side
    87,250.64x = 5,958,888,303.36
  5. Step 5: Solve for x
    x = 5,958,888,303.36/87,250.64
  6. Step 6: Final answer
    x = 68,296.22

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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.