Home / 91,131.78-136,704.82-24,570.90

Finding the Fourth Proportional to 91,131.78, 136,704.82 and 24,570.90

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Solution

The fourth proportional to 91,131.78, 136,704.82 and 24,570.90 is: 36,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.78 : 136,704.82 = 24,570.90 : x
  2. Step 2: Convert to fraction form
    91,131.78/136,704.82 = 24,570.90/x
  3. Step 3: Cross multiply
    91,131.78x = 136,704.82 × 24,570.90
  4. Step 4: Simplify right side
    91,131.78x = 3,358,960,461.74
  5. Step 5: Solve for x
    x = 3,358,960,461.74/91,131.78
  6. Step 6: Final answer
    x = 36,858.28

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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.