Home / 83,632.79-125,452.02-30,297.93

Finding the Fourth Proportional to 83,632.79, 125,452.02 and 30,297.93

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Solution

The fourth proportional to 83,632.79, 125,452.02 and 30,297.93 is: 45,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.79 : 125,452.02 = 30,297.93 : x
  2. Step 2: Convert to fraction form
    83,632.79/125,452.02 = 30,297.93/x
  3. Step 3: Cross multiply
    83,632.79x = 125,452.02 × 30,297.93
  4. Step 4: Simplify right side
    83,632.79x = 3,800,936,520.32
  5. Step 5: Solve for x
    x = 3,800,936,520.32/83,632.79
  6. Step 6: Final answer
    x = 45,447.92

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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.