Home / 115,314.93-172,983.33-36,440.82

Finding the Fourth Proportional to 115,314.93, 172,983.33 and 36,440.82

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Solution

The fourth proportional to 115,314.93, 172,983.33 and 36,440.82 is: 54,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,314.93 : 172,983.33 = 36,440.82 : x
  2. Step 2: Convert to fraction form
    115,314.93/172,983.33 = 36,440.82/x
  3. Step 3: Cross multiply
    115,314.93x = 172,983.33 × 36,440.82
  4. Step 4: Simplify right side
    115,314.93x = 6,303,654,391.53
  5. Step 5: Solve for x
    x = 6,303,654,391.53/115,314.93
  6. Step 6: Final answer
    x = 54,664.69

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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.