Home / 91,172.76-136,820.24-32,008.61

Finding the Fourth Proportional to 91,172.76, 136,820.24 and 32,008.61

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Solution

The fourth proportional to 91,172.76, 136,820.24 and 32,008.61 is: 48,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172.76 : 136,820.24 = 32,008.61 : x
  2. Step 2: Convert to fraction form
    91,172.76/136,820.24 = 32,008.61/x
  3. Step 3: Cross multiply
    91,172.76x = 136,820.24 × 32,008.61
  4. Step 4: Simplify right side
    91,172.76x = 4,379,424,858.12
  5. Step 5: Solve for x
    x = 4,379,424,858.12/91,172.76
  6. Step 6: Final answer
    x = 48,034.36

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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.