Home / 83,980.75-125,972.13-35,942.86

Finding the Fourth Proportional to 83,980.75, 125,972.13 and 35,942.86

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Solution

The fourth proportional to 83,980.75, 125,972.13 and 35,942.86 is: 53,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,980.75 : 125,972.13 = 35,942.86 : x
  2. Step 2: Convert to fraction form
    83,980.75/125,972.13 = 35,942.86/x
  3. Step 3: Cross multiply
    83,980.75x = 125,972.13 × 35,942.86
  4. Step 4: Simplify right side
    83,980.75x = 4,527,798,632.49
  5. Step 5: Solve for x
    x = 4,527,798,632.49/83,980.75
  6. Step 6: Final answer
    x = 53,914.72

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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.