Home / 108,269.18-149,420.13-62,343.17

Finding the Fourth Proportional to 108,269.18, 149,420.13 and 62,343.17

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Solution

The fourth proportional to 108,269.18, 149,420.13 and 62,343.17 is: 86,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,269.18 : 149,420.13 = 62,343.17 : x
  2. Step 2: Convert to fraction form
    108,269.18/149,420.13 = 62,343.17/x
  3. Step 3: Cross multiply
    108,269.18x = 149,420.13 × 62,343.17
  4. Step 4: Simplify right side
    108,269.18x = 9,315,324,566.01
  5. Step 5: Solve for x
    x = 9,315,324,566.01/108,269.18
  6. Step 6: Final answer
    x = 86,038.56

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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.