Home / 68,885.70-95,055.76-38,665.12

Finding the Fourth Proportional to 68,885.70, 95,055.76 and 38,665.12

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Solution

The fourth proportional to 68,885.70, 95,055.76 and 38,665.12 is: 53,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.70 : 95,055.76 = 38,665.12 : x
  2. Step 2: Convert to fraction form
    68,885.70/95,055.76 = 38,665.12/x
  3. Step 3: Cross multiply
    68,885.70x = 95,055.76 × 38,665.12
  4. Step 4: Simplify right side
    68,885.70x = 3,675,342,062.61
  5. Step 5: Solve for x
    x = 3,675,342,062.61/68,885.70
  6. Step 6: Final answer
    x = 53,354.21

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1.5x scale

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.