Home / 69,660.72-96,132.94-39,445.25

Finding the Fourth Proportional to 69,660.72, 96,132.94 and 39,445.25

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Solution

The fourth proportional to 69,660.72, 96,132.94 and 39,445.25 is: 54,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.72 : 96,132.94 = 39,445.25 : x
  2. Step 2: Convert to fraction form
    69,660.72/96,132.94 = 39,445.25/x
  3. Step 3: Cross multiply
    69,660.72x = 96,132.94 × 39,445.25
  4. Step 4: Simplify right side
    69,660.72x = 3,791,987,272.26
  5. Step 5: Solve for x
    x = 3,791,987,272.26/69,660.72
  6. Step 6: Final answer
    x = 54,435.09

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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.