Home / 91,071.84-136,624.22-41,175.44

Finding the Fourth Proportional to 91,071.84, 136,624.22 and 41,175.44

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Solution

The fourth proportional to 91,071.84, 136,624.22 and 41,175.44 is: 61,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.84 : 136,624.22 = 41,175.44 : x
  2. Step 2: Convert to fraction form
    91,071.84/136,624.22 = 41,175.44/x
  3. Step 3: Cross multiply
    91,071.84x = 136,624.22 × 41,175.44
  4. Step 4: Simplify right side
    91,071.84x = 5,625,561,484.16
  5. Step 5: Solve for x
    x = 5,625,561,484.16/91,071.84
  6. Step 6: Final answer
    x = 61,770.59

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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.