Home / 82,941.37-124,195.17-45,423.38

Finding the Fourth Proportional to 82,941.37, 124,195.17 and 45,423.38

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Solution

The fourth proportional to 82,941.37, 124,195.17 and 45,423.38 is: 68,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,941.37 : 124,195.17 = 45,423.38 : x
  2. Step 2: Convert to fraction form
    82,941.37/124,195.17 = 45,423.38/x
  3. Step 3: Cross multiply
    82,941.37x = 124,195.17 × 45,423.38
  4. Step 4: Simplify right side
    82,941.37x = 5,641,364,881.90
  5. Step 5: Solve for x
    x = 5,641,364,881.90/82,941.37
  6. Step 6: Final answer
    x = 68,016.30

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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.