Home / 109,115.91-150,562.60-61,360.03

Finding the Fourth Proportional to 109,115.91, 150,562.60 and 61,360.03

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Solution

The fourth proportional to 109,115.91, 150,562.60 and 61,360.03 is: 84,667.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,115.91 : 150,562.60 = 61,360.03 : x
  2. Step 2: Convert to fraction form
    109,115.91/150,562.60 = 61,360.03/x
  3. Step 3: Cross multiply
    109,115.91x = 150,562.60 × 61,360.03
  4. Step 4: Simplify right side
    109,115.91x = 9,238,525,652.88
  5. Step 5: Solve for x
    x = 9,238,525,652.88/109,115.91
  6. Step 6: Final answer
    x = 84,667.08

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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.