Home / 109,132.44-150,601.19-61,385.77

Finding the Fourth Proportional to 109,132.44, 150,601.19 and 61,385.77

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Solution

The fourth proportional to 109,132.44, 150,601.19 and 61,385.77 is: 84,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132.44 : 150,601.19 = 61,385.77 : x
  2. Step 2: Convert to fraction form
    109,132.44/150,601.19 = 61,385.77/x
  3. Step 3: Cross multiply
    109,132.44x = 150,601.19 × 61,385.77
  4. Step 4: Simplify right side
    109,132.44x = 9,244,770,011.07
  5. Step 5: Solve for x
    x = 9,244,770,011.07/109,132.44
  6. Step 6: Final answer
    x = 84,711.48

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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.