Home / 107,288.45-160,947.71-32,400.11

Finding the Fourth Proportional to 107,288.45, 160,947.71 and 32,400.11

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Solution

The fourth proportional to 107,288.45, 160,947.71 and 32,400.11 is: 48,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,288.45 : 160,947.71 = 32,400.11 : x
  2. Step 2: Convert to fraction form
    107,288.45/160,947.71 = 32,400.11/x
  3. Step 3: Cross multiply
    107,288.45x = 160,947.71 × 32,400.11
  4. Step 4: Simplify right side
    107,288.45x = 5,214,722,541.51
  5. Step 5: Solve for x
    x = 5,214,722,541.51/107,288.45
  6. Step 6: Final answer
    x = 48,604.70

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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.