Home / 83,938.75-125,908.13-28,534.75

Finding the Fourth Proportional to 83,938.75, 125,908.13 and 28,534.75

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Solution

The fourth proportional to 83,938.75, 125,908.13 and 28,534.75 is: 42,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,938.75 : 125,908.13 = 28,534.75 : x
  2. Step 2: Convert to fraction form
    83,938.75/125,908.13 = 28,534.75/x
  3. Step 3: Cross multiply
    83,938.75x = 125,908.13 × 28,534.75
  4. Step 4: Simplify right side
    83,938.75x = 3,592,757,012.52
  5. Step 5: Solve for x
    x = 3,592,757,012.52/83,938.75
  6. Step 6: Final answer
    x = 42,802.13

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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.