Home / 83,971.24-125,938.06-50,645.40

Finding the Fourth Proportional to 83,971.24, 125,938.06 and 50,645.40

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Solution

The fourth proportional to 83,971.24, 125,938.06 and 50,645.40 is: 75,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.24 : 125,938.06 = 50,645.40 : x
  2. Step 2: Convert to fraction form
    83,971.24/125,938.06 = 50,645.40/x
  3. Step 3: Cross multiply
    83,971.24x = 125,938.06 × 50,645.40
  4. Step 4: Simplify right side
    83,971.24x = 6,378,183,423.92
  5. Step 5: Solve for x
    x = 6,378,183,423.92/83,971.24
  6. Step 6: Final answer
    x = 75,956.76

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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.