Home / 69,661.72-96,134.32-39,446.25

Finding the Fourth Proportional to 69,661.72, 96,134.32 and 39,446.25

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Solution

The fourth proportional to 69,661.72, 96,134.32 and 39,446.25 is: 54,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.72 : 96,134.32 = 39,446.25 : x
  2. Step 2: Convert to fraction form
    69,661.72/96,134.32 = 39,446.25/x
  3. Step 3: Cross multiply
    69,661.72x = 96,134.32 × 39,446.25
  4. Step 4: Simplify right side
    69,661.72x = 3,792,138,420.30
  5. Step 5: Solve for x
    x = 3,792,138,420.30/69,661.72
  6. Step 6: Final answer
    x = 54,436.47

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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.