Home / 103,524.48-142,851.60-61,082.64

Finding the Fourth Proportional to 103,524.48, 142,851.60 and 61,082.64

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Solution

The fourth proportional to 103,524.48, 142,851.60 and 61,082.64 is: 84,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.48 : 142,851.60 = 61,082.64 : x
  2. Step 2: Convert to fraction form
    103,524.48/142,851.60 = 61,082.64/x
  3. Step 3: Cross multiply
    103,524.48x = 142,851.60 × 61,082.64
  4. Step 4: Simplify right side
    103,524.48x = 8,725,752,856.22
  5. Step 5: Solve for x
    x = 8,725,752,856.22/103,524.48
  6. Step 6: Final answer
    x = 84,286.86

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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.