Home / 83,419.57-125,147.81-45,960.36

Finding the Fourth Proportional to 83,419.57, 125,147.81 and 45,960.36

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Solution

The fourth proportional to 83,419.57, 125,147.81 and 45,960.36 is: 68,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.57 : 125,147.81 = 45,960.36 : x
  2. Step 2: Convert to fraction form
    83,419.57/125,147.81 = 45,960.36/x
  3. Step 3: Cross multiply
    83,419.57x = 125,147.81 × 45,960.36
  4. Step 4: Simplify right side
    83,419.57x = 5,751,838,400.81
  5. Step 5: Solve for x
    x = 5,751,838,400.81/83,419.57
  6. Step 6: Final answer
    x = 68,950.71

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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.