Home / 109,068.21-150,464.93-63,725.81

Finding the Fourth Proportional to 109,068.21, 150,464.93 and 63,725.81

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Solution

The fourth proportional to 109,068.21, 150,464.93 and 63,725.81 is: 87,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,068.21 : 150,464.93 = 63,725.81 : x
  2. Step 2: Convert to fraction form
    109,068.21/150,464.93 = 63,725.81/x
  3. Step 3: Cross multiply
    109,068.21x = 150,464.93 × 63,725.81
  4. Step 4: Simplify right side
    109,068.21x = 9,588,498,947.83
  5. Step 5: Solve for x
    x = 9,588,498,947.83/109,068.21
  6. Step 6: Final answer
    x = 87,912.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.