Home / 83,235.56-124,865.78-30,641.04

Finding the Fourth Proportional to 83,235.56, 124,865.78 and 30,641.04

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Solution

The fourth proportional to 83,235.56, 124,865.78 and 30,641.04 is: 45,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,235.56 : 124,865.78 = 30,641.04 : x
  2. Step 2: Convert to fraction form
    83,235.56/124,865.78 = 30,641.04/x
  3. Step 3: Cross multiply
    83,235.56x = 124,865.78 × 30,641.04
  4. Step 4: Simplify right side
    83,235.56x = 3,826,017,206.41
  5. Step 5: Solve for x
    x = 3,826,017,206.41/83,235.56
  6. Step 6: Final answer
    x = 45,966.14

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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.