Home / 69,780.11-96,294.49-39,568.19

Finding the Fourth Proportional to 69,780.11, 96,294.49 and 39,568.19

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Solution

The fourth proportional to 69,780.11, 96,294.49 and 39,568.19 is: 54,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.11 : 96,294.49 = 39,568.19 : x
  2. Step 2: Convert to fraction form
    69,780.11/96,294.49 = 39,568.19/x
  3. Step 3: Cross multiply
    69,780.11x = 96,294.49 × 39,568.19
  4. Step 4: Simplify right side
    69,780.11x = 3,810,198,095.88
  5. Step 5: Solve for x
    x = 3,810,198,095.88/69,780.11
  6. Step 6: Final answer
    x = 54,602.93

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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.