Home / 52,252.78-78,368.68-25,587.28

Finding the Fourth Proportional to 52,252.78, 78,368.68 and 25,587.28

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Solution

The fourth proportional to 52,252.78, 78,368.68 and 25,587.28 is: 38,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.78 : 78,368.68 = 25,587.28 : x
  2. Step 2: Convert to fraction form
    52,252.78/78,368.68 = 25,587.28/x
  3. Step 3: Cross multiply
    52,252.78x = 78,368.68 × 25,587.28
  4. Step 4: Simplify right side
    52,252.78x = 2,005,241,358.39
  5. Step 5: Solve for x
    x = 2,005,241,358.39/52,252.78
  6. Step 6: Final answer
    x = 38,375.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.