Home / 107,842.81-161,765.25-28,957.04

Finding the Fourth Proportional to 107,842.81, 161,765.25 and 28,957.04

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Solution

The fourth proportional to 107,842.81, 161,765.25 and 28,957.04 is: 43,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842.81 : 161,765.25 = 28,957.04 : x
  2. Step 2: Convert to fraction form
    107,842.81/161,765.25 = 28,957.04/x
  3. Step 3: Cross multiply
    107,842.81x = 161,765.25 × 28,957.04
  4. Step 4: Simplify right side
    107,842.81x = 4,684,242,814.86
  5. Step 5: Solve for x
    x = 4,684,242,814.86/107,842.81
  6. Step 6: Final answer
    x = 43,435.84

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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.