Home / 83,935.38-125,903.52-31,344.42

Finding the Fourth Proportional to 83,935.38, 125,903.52 and 31,344.42

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Solution

The fourth proportional to 83,935.38, 125,903.52 and 31,344.42 is: 47,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,935.38 : 125,903.52 = 31,344.42 : x
  2. Step 2: Convert to fraction form
    83,935.38/125,903.52 = 31,344.42/x
  3. Step 3: Cross multiply
    83,935.38x = 125,903.52 × 31,344.42
  4. Step 4: Simplify right side
    83,935.38x = 3,946,372,810.36
  5. Step 5: Solve for x
    x = 3,946,372,810.36/83,935.38
  6. Step 6: Final answer
    x = 47,016.80

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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.