Home / 68,979.65-95,235.48-45,146.61

Finding the Fourth Proportional to 68,979.65, 95,235.48 and 45,146.61

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Solution

The fourth proportional to 68,979.65, 95,235.48 and 45,146.61 is: 62,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.65 : 95,235.48 = 45,146.61 : x
  2. Step 2: Convert to fraction form
    68,979.65/95,235.48 = 45,146.61/x
  3. Step 3: Cross multiply
    68,979.65x = 95,235.48 × 45,146.61
  4. Step 4: Simplify right side
    68,979.65x = 4,299,559,073.72
  5. Step 5: Solve for x
    x = 4,299,559,073.72/68,979.65
  6. Step 6: Final answer
    x = 62,330.84

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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.