Home / 87,048.39-130,584.20-34,445.57

Finding the Fourth Proportional to 87,048.39, 130,584.20 and 34,445.57

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Solution

The fourth proportional to 87,048.39, 130,584.20 and 34,445.57 is: 51,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048.39 : 130,584.20 = 34,445.57 : x
  2. Step 2: Convert to fraction form
    87,048.39/130,584.20 = 34,445.57/x
  3. Step 3: Cross multiply
    87,048.39x = 130,584.20 × 34,445.57
  4. Step 4: Simplify right side
    87,048.39x = 4,498,047,614.57
  5. Step 5: Solve for x
    x = 4,498,047,614.57/87,048.39
  6. Step 6: Final answer
    x = 51,672.96

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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.