Home / 86,720.40-130,052.92-27,542.23

Finding the Fourth Proportional to 86,720.40, 130,052.92 and 27,542.23

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Solution

The fourth proportional to 86,720.40, 130,052.92 and 27,542.23 is: 41,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720.40 : 130,052.92 = 27,542.23 : x
  2. Step 2: Convert to fraction form
    86,720.40/130,052.92 = 27,542.23/x
  3. Step 3: Cross multiply
    86,720.40x = 130,052.92 × 27,542.23
  4. Step 4: Simplify right side
    86,720.40x = 3,581,947,040.82
  5. Step 5: Solve for x
    x = 3,581,947,040.82/86,720.40
  6. Step 6: Final answer
    x = 41,304.55

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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.