Home / 108,955.26-150,350.18-61,216.56

Finding the Fourth Proportional to 108,955.26, 150,350.18 and 61,216.56

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Solution

The fourth proportional to 108,955.26, 150,350.18 and 61,216.56 is: 84,474.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.26 : 150,350.18 = 61,216.56 : x
  2. Step 2: Convert to fraction form
    108,955.26/150,350.18 = 61,216.56/x
  3. Step 3: Cross multiply
    108,955.26x = 150,350.18 × 61,216.56
  4. Step 4: Simplify right side
    108,955.26x = 9,203,920,508.90
  5. Step 5: Solve for x
    x = 9,203,920,508.90/108,955.26
  6. Step 6: Final answer
    x = 84,474.31

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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.