Home / 68,180.08-94,065.96-39,865.72

Finding the Fourth Proportional to 68,180.08, 94,065.96 and 39,865.72

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Solution

The fourth proportional to 68,180.08, 94,065.96 and 39,865.72 is: 55,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,180.08 : 94,065.96 = 39,865.72 : x
  2. Step 2: Convert to fraction form
    68,180.08/94,065.96 = 39,865.72/x
  3. Step 3: Cross multiply
    68,180.08x = 94,065.96 × 39,865.72
  4. Step 4: Simplify right side
    68,180.08x = 3,750,007,222.89
  5. Step 5: Solve for x
    x = 3,750,007,222.89/68,180.08
  6. Step 6: Final answer
    x = 55,001.51

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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.