Home / 108,306.08-149,462-60,559.28

Finding the Fourth Proportional to 108,306.08, 149,462 and 60,559.28

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Solution

The fourth proportional to 108,306.08, 149,462 and 60,559.28 is: 83,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,306.08 : 149,462 = 60,559.28 : x
  2. Step 2: Convert to fraction form
    108,306.08/149,462 = 60,559.28/x
  3. Step 3: Cross multiply
    108,306.08x = 149,462 × 60,559.28
  4. Step 4: Simplify right side
    108,306.08x = 9,051,311,107.36
  5. Step 5: Solve for x
    x = 9,051,311,107.36/108,306.08
  6. Step 6: Final answer
    x = 83,571.59

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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.