Home / 108,072.90-149,135.85-60,325.29

Finding the Fourth Proportional to 108,072.90, 149,135.85 and 60,325.29

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Solution

The fourth proportional to 108,072.90, 149,135.85 and 60,325.29 is: 83,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,072.90 : 149,135.85 = 60,325.29 : x
  2. Step 2: Convert to fraction form
    108,072.90/149,135.85 = 60,325.29/x
  3. Step 3: Cross multiply
    108,072.90x = 149,135.85 × 60,325.29
  4. Step 4: Simplify right side
    108,072.90x = 8,996,663,400.65
  5. Step 5: Solve for x
    x = 8,996,663,400.65/108,072.90
  6. Step 6: Final answer
    x = 83,246.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.