Home / 82,354.45-123,728.51-52,829.95

Finding the Fourth Proportional to 82,354.45, 123,728.51 and 52,829.95

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Solution

The fourth proportional to 82,354.45, 123,728.51 and 52,829.95 is: 79,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,354.45 : 123,728.51 = 52,829.95 : x
  2. Step 2: Convert to fraction form
    82,354.45/123,728.51 = 52,829.95/x
  3. Step 3: Cross multiply
    82,354.45x = 123,728.51 × 52,829.95
  4. Step 4: Simplify right side
    82,354.45x = 6,536,570,732.72
  5. Step 5: Solve for x
    x = 6,536,570,732.72/82,354.45
  6. Step 6: Final answer
    x = 79,371.19

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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.