Home / 69,812.25-96,333.62-39,587.91

Finding the Fourth Proportional to 69,812.25, 96,333.62 and 39,587.91

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Solution

The fourth proportional to 69,812.25, 96,333.62 and 39,587.91 is: 54,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.25 : 96,333.62 = 39,587.91 : x
  2. Step 2: Convert to fraction form
    69,812.25/96,333.62 = 39,587.91/x
  3. Step 3: Cross multiply
    69,812.25x = 96,333.62 × 39,587.91
  4. Step 4: Simplify right side
    69,812.25x = 3,813,646,480.59
  5. Step 5: Solve for x
    x = 3,813,646,480.59/69,812.25
  6. Step 6: Final answer
    x = 54,627.18

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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.