Home / 83,230.15-124,876.68-49,973.34

Finding the Fourth Proportional to 83,230.15, 124,876.68 and 49,973.34

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Solution

The fourth proportional to 83,230.15, 124,876.68 and 49,973.34 is: 74,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,230.15 : 124,876.68 = 49,973.34 : x
  2. Step 2: Convert to fraction form
    83,230.15/124,876.68 = 49,973.34/x
  3. Step 3: Cross multiply
    83,230.15x = 124,876.68 × 49,973.34
  4. Step 4: Simplify right side
    83,230.15x = 6,240,504,787.71
  5. Step 5: Solve for x
    x = 6,240,504,787.71/83,230.15
  6. Step 6: Final answer
    x = 74,978.90

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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.