Home / 74,848.35-103,115.26-52,146.28

Finding the Fourth Proportional to 74,848.35, 103,115.26 and 52,146.28

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Solution

The fourth proportional to 74,848.35, 103,115.26 and 52,146.28 is: 71,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,848.35 : 103,115.26 = 52,146.28 : x
  2. Step 2: Convert to fraction form
    74,848.35/103,115.26 = 52,146.28/x
  3. Step 3: Cross multiply
    74,848.35x = 103,115.26 × 52,146.28
  4. Step 4: Simplify right side
    74,848.35x = 5,377,077,414.31
  5. Step 5: Solve for x
    x = 5,377,077,414.31/74,848.35
  6. Step 6: Final answer
    x = 71,839.62

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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.