Home / 83,078.40-124,667.46-29,766.36

Finding the Fourth Proportional to 83,078.40, 124,667.46 and 29,766.36

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Solution

The fourth proportional to 83,078.40, 124,667.46 and 29,766.36 is: 44,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,078.40 : 124,667.46 = 29,766.36 : x
  2. Step 2: Convert to fraction form
    83,078.40/124,667.46 = 29,766.36/x
  3. Step 3: Cross multiply
    83,078.40x = 124,667.46 × 29,766.36
  4. Step 4: Simplify right side
    83,078.40x = 3,710,896,494.65
  5. Step 5: Solve for x
    x = 3,710,896,494.65/83,078.40
  6. Step 6: Final answer
    x = 44,667.40

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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.