Home / 115,009.82-172,521.62-36,124.04

Finding the Fourth Proportional to 115,009.82, 172,521.62 and 36,124.04

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Solution

The fourth proportional to 115,009.82, 172,521.62 and 36,124.04 is: 54,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009.82 : 172,521.62 = 36,124.04 : x
  2. Step 2: Convert to fraction form
    115,009.82/172,521.62 = 36,124.04/x
  3. Step 3: Cross multiply
    115,009.82x = 172,521.62 × 36,124.04
  4. Step 4: Simplify right side
    115,009.82x = 6,232,178,381.90
  5. Step 5: Solve for x
    x = 6,232,178,381.90/115,009.82
  6. Step 6: Final answer
    x = 54,188.23

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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.