Home / 83,429.15-125,117.55-27,256.46

Finding the Fourth Proportional to 83,429.15, 125,117.55 and 27,256.46

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Solution

The fourth proportional to 83,429.15, 125,117.55 and 27,256.46 is: 40,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,429.15 : 125,117.55 = 27,256.46 : x
  2. Step 2: Convert to fraction form
    83,429.15/125,117.55 = 27,256.46/x
  3. Step 3: Cross multiply
    83,429.15x = 125,117.55 × 27,256.46
  4. Step 4: Simplify right side
    83,429.15x = 3,410,260,871.29
  5. Step 5: Solve for x
    x = 3,410,260,871.29/83,429.15
  6. Step 6: Final answer
    x = 40,876.13

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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.