Home / 108,521.24-149,760.99-62,555.51

Finding the Fourth Proportional to 108,521.24, 149,760.99 and 62,555.51

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Solution

The fourth proportional to 108,521.24, 149,760.99 and 62,555.51 is: 86,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.24 : 149,760.99 = 62,555.51 : x
  2. Step 2: Convert to fraction form
    108,521.24/149,760.99 = 62,555.51/x
  3. Step 3: Cross multiply
    108,521.24x = 149,760.99 × 62,555.51
  4. Step 4: Simplify right side
    108,521.24x = 9,368,375,481.96
  5. Step 5: Solve for x
    x = 9,368,375,481.96/108,521.24
  6. Step 6: Final answer
    x = 86,327.58

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1.5x scale

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.