Home / 74,228.30-111,292.94-38,228.15

Finding the Fourth Proportional to 74,228.30, 111,292.94 and 38,228.15

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Solution

The fourth proportional to 74,228.30, 111,292.94 and 38,228.15 is: 57,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.30 : 111,292.94 = 38,228.15 : x
  2. Step 2: Convert to fraction form
    74,228.30/111,292.94 = 38,228.15/x
  3. Step 3: Cross multiply
    74,228.30x = 111,292.94 × 38,228.15
  4. Step 4: Simplify right side
    74,228.30x = 4,254,523,363.03
  5. Step 5: Solve for x
    x = 4,254,523,363.03/74,228.30
  6. Step 6: Final answer
    x = 57,316.73

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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.