Home / 87,112.87-120,252.60-58,856.83

Finding the Fourth Proportional to 87,112.87, 120,252.60 and 58,856.83

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Solution

The fourth proportional to 87,112.87, 120,252.60 and 58,856.83 is: 81,247.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,112.87 : 120,252.60 = 58,856.83 : x
  2. Step 2: Convert to fraction form
    87,112.87/120,252.60 = 58,856.83/x
  3. Step 3: Cross multiply
    87,112.87x = 120,252.60 × 58,856.83
  4. Step 4: Simplify right side
    87,112.87x = 7,077,686,534.63
  5. Step 5: Solve for x
    x = 7,077,686,534.63/87,112.87
  6. Step 6: Final answer
    x = 81,247.31

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1.5x scale

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.