Home / 83,318.04-124,990.02-27,145.07

Finding the Fourth Proportional to 83,318.04, 124,990.02 and 27,145.07

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Solution

The fourth proportional to 83,318.04, 124,990.02 and 27,145.07 is: 40,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,318.04 : 124,990.02 = 27,145.07 : x
  2. Step 2: Convert to fraction form
    83,318.04/124,990.02 = 27,145.07/x
  3. Step 3: Cross multiply
    83,318.04x = 124,990.02 × 27,145.07
  4. Step 4: Simplify right side
    83,318.04x = 3,392,863,503.55
  5. Step 5: Solve for x
    x = 3,392,863,503.55/83,318.04
  6. Step 6: Final answer
    x = 40,721.83

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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.