Home / 109,541.70-151,174.54-61,777.62

Finding the Fourth Proportional to 109,541.70, 151,174.54 and 61,777.62

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Solution

The fourth proportional to 109,541.70, 151,174.54 and 61,777.62 is: 85,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,541.70 : 151,174.54 = 61,777.62 : x
  2. Step 2: Convert to fraction form
    109,541.70/151,174.54 = 61,777.62/x
  3. Step 3: Cross multiply
    109,541.70x = 151,174.54 × 61,777.62
  4. Step 4: Simplify right side
    109,541.70x = 9,339,202,529.92
  5. Step 5: Solve for x
    x = 9,339,202,529.92/109,541.70
  6. Step 6: Final answer
    x = 85,257.06

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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.