Home / 69,986.07-96,578.82-38,154.96

Finding the Fourth Proportional to 69,986.07, 96,578.82 and 38,154.96

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Solution

The fourth proportional to 69,986.07, 96,578.82 and 38,154.96 is: 52,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.07 : 96,578.82 = 38,154.96 : x
  2. Step 2: Convert to fraction form
    69,986.07/96,578.82 = 38,154.96/x
  3. Step 3: Cross multiply
    69,986.07x = 96,578.82 × 38,154.96
  4. Step 4: Simplify right side
    69,986.07x = 3,684,961,013.95
  5. Step 5: Solve for x
    x = 3,684,961,013.95/69,986.07
  6. Step 6: Final answer
    x = 52,652.78

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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.