Home / 115,839.15-173,721.69-36,934.89

Finding the Fourth Proportional to 115,839.15, 173,721.69 and 36,934.89

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Solution

The fourth proportional to 115,839.15, 173,721.69 and 36,934.89 is: 55,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,839.15 : 173,721.69 = 36,934.89 : x
  2. Step 2: Convert to fraction form
    115,839.15/173,721.69 = 36,934.89/x
  3. Step 3: Cross multiply
    115,839.15x = 173,721.69 × 36,934.89
  4. Step 4: Simplify right side
    115,839.15x = 6,416,391,510.76
  5. Step 5: Solve for x
    x = 6,416,391,510.76/115,839.15
  6. Step 6: Final answer
    x = 55,390.53

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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.