Home / 69,776.61-96,299.82-39,158.13

Finding the Fourth Proportional to 69,776.61, 96,299.82 and 39,158.13

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Solution

The fourth proportional to 69,776.61, 96,299.82 and 39,158.13 is: 54,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,776.61 : 96,299.82 = 39,158.13 : x
  2. Step 2: Convert to fraction form
    69,776.61/96,299.82 = 39,158.13/x
  3. Step 3: Cross multiply
    69,776.61x = 96,299.82 × 39,158.13
  4. Step 4: Simplify right side
    69,776.61x = 3,770,920,870.54
  5. Step 5: Solve for x
    x = 3,770,920,870.54/69,776.61
  6. Step 6: Final answer
    x = 54,042.76

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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.