Home / 102,612.38-153,918.56-27,726.77

Finding the Fourth Proportional to 102,612.38, 153,918.56 and 27,726.77

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Solution

The fourth proportional to 102,612.38, 153,918.56 and 27,726.77 is: 41,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,612.38 : 153,918.56 = 27,726.77 : x
  2. Step 2: Convert to fraction form
    102,612.38/153,918.56 = 27,726.77/x
  3. Step 3: Cross multiply
    102,612.38x = 153,918.56 × 27,726.77
  4. Step 4: Simplify right side
    102,612.38x = 4,267,664,965.96
  5. Step 5: Solve for x
    x = 4,267,664,965.96/102,612.38
  6. Step 6: Final answer
    x = 41,590.16

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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.