Home / 107,896.70-148,898.08-62,601.65

Finding the Fourth Proportional to 107,896.70, 148,898.08 and 62,601.65

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Solution

The fourth proportional to 107,896.70, 148,898.08 and 62,601.65 is: 86,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896.70 : 148,898.08 = 62,601.65 : x
  2. Step 2: Convert to fraction form
    107,896.70/148,898.08 = 62,601.65/x
  3. Step 3: Cross multiply
    107,896.70x = 148,898.08 × 62,601.65
  4. Step 4: Simplify right side
    107,896.70x = 9,321,265,381.96
  5. Step 5: Solve for x
    x = 9,321,265,381.96/107,896.70
  6. Step 6: Final answer
    x = 86,390.64

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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.