Home / 96,788.72-133,564.98-54,349.04

Finding the Fourth Proportional to 96,788.72, 133,564.98 and 54,349.04

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Solution

The fourth proportional to 96,788.72, 133,564.98 and 54,349.04 is: 74,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,788.72 : 133,564.98 = 54,349.04 : x
  2. Step 2: Convert to fraction form
    96,788.72/133,564.98 = 54,349.04/x
  3. Step 3: Cross multiply
    96,788.72x = 133,564.98 × 54,349.04
  4. Step 4: Simplify right side
    96,788.72x = 7,259,128,440.62
  5. Step 5: Solve for x
    x = 7,259,128,440.62/96,788.72
  6. Step 6: Final answer
    x = 74,999.74

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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.