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Finding the Fourth Proportional to 83,960.70, 125,938.35 and 27,803.40

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Solution

The fourth proportional to 83,960.70, 125,938.35 and 27,803.40 is: 41,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,960.70 : 125,938.35 = 27,803.40 : x
  2. Step 2: Convert to fraction form
    83,960.70/125,938.35 = 27,803.40/x
  3. Step 3: Cross multiply
    83,960.70x = 125,938.35 × 27,803.40
  4. Step 4: Simplify right side
    83,960.70x = 3,501,514,320.39
  5. Step 5: Solve for x
    x = 3,501,514,320.39/83,960.70
  6. Step 6: Final answer
    x = 41,704.21

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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.