Home / 90,974.67-136,397.42-34,767.41

Finding the Fourth Proportional to 90,974.67, 136,397.42 and 34,767.41

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Solution

The fourth proportional to 90,974.67, 136,397.42 and 34,767.41 is: 52,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,974.67 : 136,397.42 = 34,767.41 : x
  2. Step 2: Convert to fraction form
    90,974.67/136,397.42 = 34,767.41/x
  3. Step 3: Cross multiply
    90,974.67x = 136,397.42 × 34,767.41
  4. Step 4: Simplify right side
    90,974.67x = 4,742,184,511.60
  5. Step 5: Solve for x
    x = 4,742,184,511.60/90,974.67
  6. Step 6: Final answer
    x = 52,126.43

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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.