Home / 83,938.96-125,908.44-27,763.98

Finding the Fourth Proportional to 83,938.96, 125,908.44 and 27,763.98

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Solution

The fourth proportional to 83,938.96, 125,908.44 and 27,763.98 is: 41,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,938.96 : 125,908.44 = 27,763.98 : x
  2. Step 2: Convert to fraction form
    83,938.96/125,908.44 = 27,763.98/x
  3. Step 3: Cross multiply
    83,938.96x = 125,908.44 × 27,763.98
  4. Step 4: Simplify right side
    83,938.96x = 3,495,719,409.99
  5. Step 5: Solve for x
    x = 3,495,719,409.99/83,938.96
  6. Step 6: Final answer
    x = 41,645.97

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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.