Home / 69,328.59-95,463.75-57,183.93

Finding the Fourth Proportional to 69,328.59, 95,463.75 and 57,183.93

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Solution

The fourth proportional to 69,328.59, 95,463.75 and 57,183.93 is: 78,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328.59 : 95,463.75 = 57,183.93 : x
  2. Step 2: Convert to fraction form
    69,328.59/95,463.75 = 57,183.93/x
  3. Step 3: Cross multiply
    69,328.59x = 95,463.75 × 57,183.93
  4. Step 4: Simplify right side
    69,328.59x = 5,458,992,397.54
  5. Step 5: Solve for x
    x = 5,458,992,397.54/69,328.59
  6. Step 6: Final answer
    x = 78,740.85

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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.