Home / 83,439.45-125,197.44-45,500.47

Finding the Fourth Proportional to 83,439.45, 125,197.44 and 45,500.47

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Solution

The fourth proportional to 83,439.45, 125,197.44 and 45,500.47 is: 68,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.45 : 125,197.44 = 45,500.47 : x
  2. Step 2: Convert to fraction form
    83,439.45/125,197.44 = 45,500.47/x
  3. Step 3: Cross multiply
    83,439.45x = 125,197.44 × 45,500.47
  4. Step 4: Simplify right side
    83,439.45x = 5,696,541,736.81
  5. Step 5: Solve for x
    x = 5,696,541,736.81/83,439.45
  6. Step 6: Final answer
    x = 68,271.57

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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.