Home / 87,589.80-130,904.76-63,947.16

Finding the Fourth Proportional to 87,589.80, 130,904.76 and 63,947.16

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Solution

The fourth proportional to 87,589.80, 130,904.76 and 63,947.16 is: 95,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,589.80 : 130,904.76 = 63,947.16 : x
  2. Step 2: Convert to fraction form
    87,589.80/130,904.76 = 63,947.16/x
  3. Step 3: Cross multiply
    87,589.80x = 130,904.76 × 63,947.16
  4. Step 4: Simplify right side
    87,589.80x = 8,370,987,632.48
  5. Step 5: Solve for x
    x = 8,370,987,632.48/87,589.80
  6. Step 6: Final answer
    x = 95,570.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.