Home / 96,969.12-133,823.52-54,531.60

Finding the Fourth Proportional to 96,969.12, 133,823.52 and 54,531.60

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Solution

The fourth proportional to 96,969.12, 133,823.52 and 54,531.60 is: 75,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,969.12 : 133,823.52 = 54,531.60 : x
  2. Step 2: Convert to fraction form
    96,969.12/133,823.52 = 54,531.60/x
  3. Step 3: Cross multiply
    96,969.12x = 133,823.52 × 54,531.60
  4. Step 4: Simplify right side
    96,969.12x = 7,297,610,663.23
  5. Step 5: Solve for x
    x = 7,297,610,663.23/96,969.12
  6. Step 6: Final answer
    x = 75,257.06

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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.