Home / 105,648.18-158,464.44-39,057.18

Finding the Fourth Proportional to 105,648.18, 158,464.44 and 39,057.18

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Solution

The fourth proportional to 105,648.18, 158,464.44 and 39,057.18 is: 58,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,648.18 : 158,464.44 = 39,057.18 : x
  2. Step 2: Convert to fraction form
    105,648.18/158,464.44 = 39,057.18/x
  3. Step 3: Cross multiply
    105,648.18x = 158,464.44 × 39,057.18
  4. Step 4: Simplify right side
    105,648.18x = 6,189,174,156.68
  5. Step 5: Solve for x
    x = 6,189,174,156.68/105,648.18
  6. Step 6: Final answer
    x = 58,582.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.