Home / 83,419.12-125,130.24-27,259.36

Finding the Fourth Proportional to 83,419.12, 125,130.24 and 27,259.36

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Solution

The fourth proportional to 83,419.12, 125,130.24 and 27,259.36 is: 40,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.12 : 125,130.24 = 27,259.36 : x
  2. Step 2: Convert to fraction form
    83,419.12/125,130.24 = 27,259.36/x
  3. Step 3: Cross multiply
    83,419.12x = 125,130.24 × 27,259.36
  4. Step 4: Simplify right side
    83,419.12x = 3,410,970,259.05
  5. Step 5: Solve for x
    x = 3,410,970,259.05/83,419.12
  6. Step 6: Final answer
    x = 40,889.55

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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.