Home / 108,776.32-150,108.96-62,836

Finding the Fourth Proportional to 108,776.32, 150,108.96 and 62,836

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Solution

The fourth proportional to 108,776.32, 150,108.96 and 62,836 is: 86,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,776.32 : 150,108.96 = 62,836 : x
  2. Step 2: Convert to fraction form
    108,776.32/150,108.96 = 62,836/x
  3. Step 3: Cross multiply
    108,776.32x = 150,108.96 × 62,836
  4. Step 4: Simplify right side
    108,776.32x = 9,432,246,610.56
  5. Step 5: Solve for x
    x = 9,432,246,610.56/108,776.32
  6. Step 6: Final answer
    x = 86,712.32

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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.