Home / 87,119.15-130,679.33-34,528.48

Finding the Fourth Proportional to 87,119.15, 130,679.33 and 34,528.48

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Solution

The fourth proportional to 87,119.15, 130,679.33 and 34,528.48 is: 51,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.15 : 130,679.33 = 34,528.48 : x
  2. Step 2: Convert to fraction form
    87,119.15/130,679.33 = 34,528.48/x
  3. Step 3: Cross multiply
    87,119.15x = 130,679.33 × 34,528.48
  4. Step 4: Simplify right side
    87,119.15x = 4,512,158,132.98
  5. Step 5: Solve for x
    x = 4,512,158,132.98/87,119.15
  6. Step 6: Final answer
    x = 51,792.96

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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.