Home / 83,947.20-125,894.08-27,776.80

Finding the Fourth Proportional to 83,947.20, 125,894.08 and 27,776.80

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Solution

The fourth proportional to 83,947.20, 125,894.08 and 27,776.80 is: 41,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.20 : 125,894.08 = 27,776.80 : x
  2. Step 2: Convert to fraction form
    83,947.20/125,894.08 = 27,776.80/x
  3. Step 3: Cross multiply
    83,947.20x = 125,894.08 × 27,776.80
  4. Step 4: Simplify right side
    83,947.20x = 3,496,934,681.34
  5. Step 5: Solve for x
    x = 3,496,934,681.34/83,947.20
  6. Step 6: Final answer
    x = 41,656.36

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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.