Home / 69,443.85-95,832.05-39,238.95

Finding the Fourth Proportional to 69,443.85, 95,832.05 and 39,238.95

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Solution

The fourth proportional to 69,443.85, 95,832.05 and 39,238.95 is: 54,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.85 : 95,832.05 = 39,238.95 : x
  2. Step 2: Convert to fraction form
    69,443.85/95,832.05 = 39,238.95/x
  3. Step 3: Cross multiply
    69,443.85x = 95,832.05 × 39,238.95
  4. Step 4: Simplify right side
    69,443.85x = 3,760,348,822.15
  5. Step 5: Solve for x
    x = 3,760,348,822.15/69,443.85
  6. Step 6: Final answer
    x = 54,149.49

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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.