Home / 111,811.09-167,721.90-36,937.93

Finding the Fourth Proportional to 111,811.09, 167,721.90 and 36,937.93

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Solution

The fourth proportional to 111,811.09, 167,721.90 and 36,937.93 is: 55,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,811.09 : 167,721.90 = 36,937.93 : x
  2. Step 2: Convert to fraction form
    111,811.09/167,721.90 = 36,937.93/x
  3. Step 3: Cross multiply
    111,811.09x = 167,721.90 × 36,937.93
  4. Step 4: Simplify right side
    111,811.09x = 6,195,299,801.67
  5. Step 5: Solve for x
    x = 6,195,299,801.67/111,811.09
  6. Step 6: Final answer
    x = 55,408.63

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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.