Home / 83,144.01-124,712.22-30,549.63

Finding the Fourth Proportional to 83,144.01, 124,712.22 and 30,549.63

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Solution

The fourth proportional to 83,144.01, 124,712.22 and 30,549.63 is: 45,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,144.01 : 124,712.22 = 30,549.63 : x
  2. Step 2: Convert to fraction form
    83,144.01/124,712.22 = 30,549.63/x
  3. Step 3: Cross multiply
    83,144.01x = 124,712.22 × 30,549.63
  4. Step 4: Simplify right side
    83,144.01x = 3,809,912,177.48
  5. Step 5: Solve for x
    x = 3,809,912,177.48/83,144.01
  6. Step 6: Final answer
    x = 45,823.05

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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.