Home / 83,249.40-124,874.10-47,674.20

Finding the Fourth Proportional to 83,249.40, 124,874.10 and 47,674.20

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Solution

The fourth proportional to 83,249.40, 124,874.10 and 47,674.20 is: 71,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,249.40 : 124,874.10 = 47,674.20 : x
  2. Step 2: Convert to fraction form
    83,249.40/124,874.10 = 47,674.20/x
  3. Step 3: Cross multiply
    83,249.40x = 124,874.10 × 47,674.20
  4. Step 4: Simplify right side
    83,249.40x = 5,953,272,818.22
  5. Step 5: Solve for x
    x = 5,953,272,818.22/83,249.40
  6. Step 6: Final answer
    x = 71,511.30

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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.