Home / 87,325.20-120,523.26-51,523.98

Finding the Fourth Proportional to 87,325.20, 120,523.26 and 51,523.98

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Solution

The fourth proportional to 87,325.20, 120,523.26 and 51,523.98 is: 71,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,325.20 : 120,523.26 = 51,523.98 : x
  2. Step 2: Convert to fraction form
    87,325.20/120,523.26 = 51,523.98/x
  3. Step 3: Cross multiply
    87,325.20x = 120,523.26 × 51,523.98
  4. Step 4: Simplify right side
    87,325.20x = 6,209,838,037.77
  5. Step 5: Solve for x
    x = 6,209,838,037.77/87,325.20
  6. Step 6: Final answer
    x = 71,111.64

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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.