Home / 108,291.61-149,382.43-62,964.59

Finding the Fourth Proportional to 108,291.61, 149,382.43 and 62,964.59

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Solution

The fourth proportional to 108,291.61, 149,382.43 and 62,964.59 is: 86,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,291.61 : 149,382.43 = 62,964.59 : x
  2. Step 2: Convert to fraction form
    108,291.61/149,382.43 = 62,964.59/x
  3. Step 3: Cross multiply
    108,291.61x = 149,382.43 × 62,964.59
  4. Step 4: Simplify right side
    108,291.61x = 9,405,802,396.42
  5. Step 5: Solve for x
    x = 9,405,802,396.42/108,291.61
  6. Step 6: Final answer
    x = 86,856.24

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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.