Home / 87,193.95-120,364.21-58,937.91

Finding the Fourth Proportional to 87,193.95, 120,364.21 and 58,937.91

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Solution

The fourth proportional to 87,193.95, 120,364.21 and 58,937.91 is: 81,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,193.95 : 120,364.21 = 58,937.91 : x
  2. Step 2: Convert to fraction form
    87,193.95/120,364.21 = 58,937.91/x
  3. Step 3: Cross multiply
    87,193.95x = 120,364.21 × 58,937.91
  4. Step 4: Simplify right side
    87,193.95x = 7,094,014,976.20
  5. Step 5: Solve for x
    x = 7,094,014,976.20/87,193.95
  6. Step 6: Final answer
    x = 81,359.03

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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.