Home / 87,240.19-120,411.21-60,052.54

Finding the Fourth Proportional to 87,240.19, 120,411.21 and 60,052.54

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Solution

The fourth proportional to 87,240.19, 120,411.21 and 60,052.54 is: 82,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,240.19 : 120,411.21 = 60,052.54 : x
  2. Step 2: Convert to fraction form
    87,240.19/120,411.21 = 60,052.54/x
  3. Step 3: Cross multiply
    87,240.19x = 120,411.21 × 60,052.54
  4. Step 4: Simplify right side
    87,240.19x = 7,230,999,004.97
  5. Step 5: Solve for x
    x = 7,230,999,004.97/87,240.19
  6. Step 6: Final answer
    x = 82,886.10

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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.