Home / 83,479.68-125,227.28-30,185.04

Finding the Fourth Proportional to 83,479.68, 125,227.28 and 30,185.04

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Solution

The fourth proportional to 83,479.68, 125,227.28 and 30,185.04 is: 45,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479.68 : 125,227.28 = 30,185.04 : x
  2. Step 2: Convert to fraction form
    83,479.68/125,227.28 = 30,185.04/x
  3. Step 3: Cross multiply
    83,479.68x = 125,227.28 × 30,185.04
  4. Step 4: Simplify right side
    83,479.68x = 3,779,990,455.89
  5. Step 5: Solve for x
    x = 3,779,990,455.89/83,479.68
  6. Step 6: Final answer
    x = 45,280.37

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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.