Home / 87,750.56-131,625.74-28,586.14

Finding the Fourth Proportional to 87,750.56, 131,625.74 and 28,586.14

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Solution

The fourth proportional to 87,750.56, 131,625.74 and 28,586.14 is: 42,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.56 : 131,625.74 = 28,586.14 : x
  2. Step 2: Convert to fraction form
    87,750.56/131,625.74 = 28,586.14/x
  3. Step 3: Cross multiply
    87,750.56x = 131,625.74 × 28,586.14
  4. Step 4: Simplify right side
    87,750.56x = 3,762,671,831.24
  5. Step 5: Solve for x
    x = 3,762,671,831.24/87,750.56
  6. Step 6: Final answer
    x = 42,879.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.