Home / 74,102.25-102,251.56-42,269.25

Finding the Fourth Proportional to 74,102.25, 102,251.56 and 42,269.25

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Solution

The fourth proportional to 74,102.25, 102,251.56 and 42,269.25 is: 58,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.25 : 102,251.56 = 42,269.25 : x
  2. Step 2: Convert to fraction form
    74,102.25/102,251.56 = 42,269.25/x
  3. Step 3: Cross multiply
    74,102.25x = 102,251.56 × 42,269.25
  4. Step 4: Simplify right side
    74,102.25x = 4,322,096,752.53
  5. Step 5: Solve for x
    x = 4,322,096,752.53/74,102.25
  6. Step 6: Final answer
    x = 58,326.12

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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.