Home / 108,249.96-149,373.54-62,919.72

Finding the Fourth Proportional to 108,249.96, 149,373.54 and 62,919.72

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Solution

The fourth proportional to 108,249.96, 149,373.54 and 62,919.72 is: 86,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249.96 : 149,373.54 = 62,919.72 : x
  2. Step 2: Convert to fraction form
    108,249.96/149,373.54 = 62,919.72/x
  3. Step 3: Cross multiply
    108,249.96x = 149,373.54 × 62,919.72
  4. Step 4: Simplify right side
    108,249.96x = 9,398,541,312.21
  5. Step 5: Solve for x
    x = 9,398,541,312.21/108,249.96
  6. Step 6: Final answer
    x = 86,822.58

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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.