Home / 108,018.24-149,062.08-62,693.64

Finding the Fourth Proportional to 108,018.24, 149,062.08 and 62,693.64

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Solution

The fourth proportional to 108,018.24, 149,062.08 and 62,693.64 is: 86,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,018.24 : 149,062.08 = 62,693.64 : x
  2. Step 2: Convert to fraction form
    108,018.24/149,062.08 = 62,693.64/x
  3. Step 3: Cross multiply
    108,018.24x = 149,062.08 × 62,693.64
  4. Step 4: Simplify right side
    108,018.24x = 9,345,244,381.17
  5. Step 5: Solve for x
    x = 9,345,244,381.17/108,018.24
  6. Step 6: Final answer
    x = 86,515.43

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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.