Home / 69,239.16-95,438.10-54,105.52

Finding the Fourth Proportional to 69,239.16, 95,438.10 and 54,105.52

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Solution

The fourth proportional to 69,239.16, 95,438.10 and 54,105.52 is: 74,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,239.16 : 95,438.10 = 54,105.52 : x
  2. Step 2: Convert to fraction form
    69,239.16/95,438.10 = 54,105.52/x
  3. Step 3: Cross multiply
    69,239.16x = 95,438.10 × 54,105.52
  4. Step 4: Simplify right side
    69,239.16x = 5,163,728,028.31
  5. Step 5: Solve for x
    x = 5,163,728,028.31/69,239.16
  6. Step 6: Final answer
    x = 74,578.14

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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.