Home / 69,518.12-95,931.31-39,301.64

Finding the Fourth Proportional to 69,518.12, 95,931.31 and 39,301.64

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Solution

The fourth proportional to 69,518.12, 95,931.31 and 39,301.64 is: 54,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,518.12 : 95,931.31 = 39,301.64 : x
  2. Step 2: Convert to fraction form
    69,518.12/95,931.31 = 39,301.64/x
  3. Step 3: Cross multiply
    69,518.12x = 95,931.31 × 39,301.64
  4. Step 4: Simplify right side
    69,518.12x = 3,770,257,665.87
  5. Step 5: Solve for x
    x = 3,770,257,665.87/69,518.12
  6. Step 6: Final answer
    x = 54,234.18

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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.