Home / 82,838.16-124,167.87-40,669.20

Finding the Fourth Proportional to 82,838.16, 124,167.87 and 40,669.20

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Solution

The fourth proportional to 82,838.16, 124,167.87 and 40,669.20 is: 60,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,838.16 : 124,167.87 = 40,669.20 : x
  2. Step 2: Convert to fraction form
    82,838.16/124,167.87 = 40,669.20/x
  3. Step 3: Cross multiply
    82,838.16x = 124,167.87 × 40,669.20
  4. Step 4: Simplify right side
    82,838.16x = 5,049,807,938.60
  5. Step 5: Solve for x
    x = 5,049,807,938.60/82,838.16
  6. Step 6: Final answer
    x = 60,959.92

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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.