Home / 87,119.76-120,085.56-58,776.24

Finding the Fourth Proportional to 87,119.76, 120,085.56 and 58,776.24

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Solution

The fourth proportional to 87,119.76, 120,085.56 and 58,776.24 is: 81,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.76 : 120,085.56 = 58,776.24 : x
  2. Step 2: Convert to fraction form
    87,119.76/120,085.56 = 58,776.24/x
  3. Step 3: Cross multiply
    87,119.76x = 120,085.56 × 58,776.24
  4. Step 4: Simplify right side
    87,119.76x = 7,058,177,695.09
  5. Step 5: Solve for x
    x = 7,058,177,695.09/87,119.76
  6. Step 6: Final answer
    x = 81,016.96

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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.