Home / 87,347.76-120,526.41-49,100.22

Finding the Fourth Proportional to 87,347.76, 120,526.41 and 49,100.22

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Solution

The fourth proportional to 87,347.76, 120,526.41 and 49,100.22 is: 67,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,347.76 : 120,526.41 = 49,100.22 : x
  2. Step 2: Convert to fraction form
    87,347.76/120,526.41 = 49,100.22/x
  3. Step 3: Cross multiply
    87,347.76x = 120,526.41 × 49,100.22
  4. Step 4: Simplify right side
    87,347.76x = 5,917,873,246.81
  5. Step 5: Solve for x
    x = 5,917,873,246.81/87,347.76
  6. Step 6: Final answer
    x = 67,750.72

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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.