Home / 102,918.48-154,377.72-29,046.48

Finding the Fourth Proportional to 102,918.48, 154,377.72 and 29,046.48

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Solution

The fourth proportional to 102,918.48, 154,377.72 and 29,046.48 is: 43,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,918.48 : 154,377.72 = 29,046.48 : x
  2. Step 2: Convert to fraction form
    102,918.48/154,377.72 = 29,046.48/x
  3. Step 3: Cross multiply
    102,918.48x = 154,377.72 × 29,046.48
  4. Step 4: Simplify right side
    102,918.48x = 4,484,129,356.43
  5. Step 5: Solve for x
    x = 4,484,129,356.43/102,918.48
  6. Step 6: Final answer
    x = 43,569.72

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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.