Home / 79,244.96-109,372.56-54,085.28

Finding the Fourth Proportional to 79,244.96, 109,372.56 and 54,085.28

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Solution

The fourth proportional to 79,244.96, 109,372.56 and 54,085.28 is: 74,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244.96 : 109,372.56 = 54,085.28 : x
  2. Step 2: Convert to fraction form
    79,244.96/109,372.56 = 54,085.28/x
  3. Step 3: Cross multiply
    79,244.96x = 109,372.56 × 54,085.28
  4. Step 4: Simplify right side
    79,244.96x = 5,915,445,531.92
  5. Step 5: Solve for x
    x = 5,915,445,531.92/79,244.96
  6. Step 6: Final answer
    x = 74,647.59

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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.