Home / 74,633.15-111,936.36-32,489.66

Finding the Fourth Proportional to 74,633.15, 111,936.36 and 32,489.66

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Solution

The fourth proportional to 74,633.15, 111,936.36 and 32,489.66 is: 48,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.15 : 111,936.36 = 32,489.66 : x
  2. Step 2: Convert to fraction form
    74,633.15/111,936.36 = 32,489.66/x
  3. Step 3: Cross multiply
    74,633.15x = 111,936.36 × 32,489.66
  4. Step 4: Simplify right side
    74,633.15x = 3,636,774,679.71
  5. Step 5: Solve for x
    x = 3,636,774,679.71/74,633.15
  6. Step 6: Final answer
    x = 48,728.68

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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.