Home / 82,177.44-113,302.10-68,585.04

Finding the Fourth Proportional to 82,177.44, 113,302.10 and 68,585.04

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Solution

The fourth proportional to 82,177.44, 113,302.10 and 68,585.04 is: 94,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177.44 : 113,302.10 = 68,585.04 : x
  2. Step 2: Convert to fraction form
    82,177.44/113,302.10 = 68,585.04/x
  3. Step 3: Cross multiply
    82,177.44x = 113,302.10 × 68,585.04
  4. Step 4: Simplify right side
    82,177.44x = 7,770,829,060.58
  5. Step 5: Solve for x
    x = 7,770,829,060.58/82,177.44
  6. Step 6: Final answer
    x = 94,561.59

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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.