Home / 83,702.04-125,480.16-33,780.12

Finding the Fourth Proportional to 83,702.04, 125,480.16 and 33,780.12

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Solution

The fourth proportional to 83,702.04, 125,480.16 and 33,780.12 is: 50,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.04 : 125,480.16 = 33,780.12 : x
  2. Step 2: Convert to fraction form
    83,702.04/125,480.16 = 33,780.12/x
  3. Step 3: Cross multiply
    83,702.04x = 125,480.16 × 33,780.12
  4. Step 4: Simplify right side
    83,702.04x = 4,238,734,862.42
  5. Step 5: Solve for x
    x = 4,238,734,862.42/83,702.04
  6. Step 6: Final answer
    x = 50,640.76

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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.