Home / 102,424.82-153,531.66-39,227.72

Finding the Fourth Proportional to 102,424.82, 153,531.66 and 39,227.72

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Solution

The fourth proportional to 102,424.82, 153,531.66 and 39,227.72 is: 58,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,424.82 : 153,531.66 = 39,227.72 : x
  2. Step 2: Convert to fraction form
    102,424.82/153,531.66 = 39,227.72/x
  3. Step 3: Cross multiply
    102,424.82x = 153,531.66 × 39,227.72
  4. Step 4: Simplify right side
    102,424.82x = 6,022,696,969.62
  5. Step 5: Solve for x
    x = 6,022,696,969.62/102,424.82
  6. Step 6: Final answer
    x = 58,801.15

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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.