Home / 82,108.53-113,306.31-46,301.90

Finding the Fourth Proportional to 82,108.53, 113,306.31 and 46,301.90

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Solution

The fourth proportional to 82,108.53, 113,306.31 and 46,301.90 is: 63,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,108.53 : 113,306.31 = 46,301.90 : x
  2. Step 2: Convert to fraction form
    82,108.53/113,306.31 = 46,301.90/x
  3. Step 3: Cross multiply
    82,108.53x = 113,306.31 × 46,301.90
  4. Step 4: Simplify right side
    82,108.53x = 5,246,296,868.46
  5. Step 5: Solve for x
    x = 5,246,296,868.46/82,108.53
  6. Step 6: Final answer
    x = 63,894.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.