Home / 111,947.20-167,979.84-49,624

Finding the Fourth Proportional to 111,947.20, 167,979.84 and 49,624

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Solution

The fourth proportional to 111,947.20, 167,979.84 and 49,624 is: 74,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,947.20 : 167,979.84 = 49,624 : x
  2. Step 2: Convert to fraction form
    111,947.20/167,979.84 = 49,624/x
  3. Step 3: Cross multiply
    111,947.20x = 167,979.84 × 49,624
  4. Step 4: Simplify right side
    111,947.20x = 8,335,831,580.16
  5. Step 5: Solve for x
    x = 8,335,831,580.16/111,947.20
  6. Step 6: Final answer
    x = 74,462.17

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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.