Home / 69,778.29-96,294.75-37,947.90

Finding the Fourth Proportional to 69,778.29, 96,294.75 and 37,947.90

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Solution

The fourth proportional to 69,778.29, 96,294.75 and 37,947.90 is: 52,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.29 : 96,294.75 = 37,947.90 : x
  2. Step 2: Convert to fraction form
    69,778.29/96,294.75 = 37,947.90/x
  3. Step 3: Cross multiply
    69,778.29x = 96,294.75 × 37,947.90
  4. Step 4: Simplify right side
    69,778.29x = 3,654,183,543.53
  5. Step 5: Solve for x
    x = 3,654,183,543.53/69,778.29
  6. Step 6: Final answer
    x = 52,368.49

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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.