Home / 75,480.32-104,269.44-60,472.64

Finding the Fourth Proportional to 75,480.32, 104,269.44 and 60,472.64

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Solution

The fourth proportional to 75,480.32, 104,269.44 and 60,472.64 is: 83,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.32 : 104,269.44 = 60,472.64 : x
  2. Step 2: Convert to fraction form
    75,480.32/104,269.44 = 60,472.64/x
  3. Step 3: Cross multiply
    75,480.32x = 104,269.44 × 60,472.64
  4. Step 4: Simplify right side
    75,480.32x = 6,305,448,308.12
  5. Step 5: Solve for x
    x = 6,305,448,308.12/75,480.32
  6. Step 6: Final answer
    x = 83,537.65

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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.