Home / 91,172.96-136,820.51-32,008.80

Finding the Fourth Proportional to 91,172.96, 136,820.51 and 32,008.80

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Solution

The fourth proportional to 91,172.96, 136,820.51 and 32,008.80 is: 48,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,172.96 : 136,820.51 = 32,008.80 : x
  2. Step 2: Convert to fraction form
    91,172.96/136,820.51 = 32,008.80/x
  3. Step 3: Cross multiply
    91,172.96x = 136,820.51 × 32,008.80
  4. Step 4: Simplify right side
    91,172.96x = 4,379,460,180.44
  5. Step 5: Solve for x
    x = 4,379,460,180.44/91,172.96
  6. Step 6: Final answer
    x = 48,034.64

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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.