Home / 87,052.98-120,124.06-51,240.85

Finding the Fourth Proportional to 87,052.98, 120,124.06 and 51,240.85

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Solution

The fourth proportional to 87,052.98, 120,124.06 and 51,240.85 is: 70,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,052.98 : 120,124.06 = 51,240.85 : x
  2. Step 2: Convert to fraction form
    87,052.98/120,124.06 = 51,240.85/x
  3. Step 3: Cross multiply
    87,052.98x = 120,124.06 × 51,240.85
  4. Step 4: Simplify right side
    87,052.98x = 6,155,259,475.37
  5. Step 5: Solve for x
    x = 6,155,259,475.37/87,052.98
  6. Step 6: Final answer
    x = 70,707.05

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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.