Home / 98,584.41-147,923.25-51,174.30

Finding the Fourth Proportional to 98,584.41, 147,923.25 and 51,174.30

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Solution

The fourth proportional to 98,584.41, 147,923.25 and 51,174.30 is: 76,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,584.41 : 147,923.25 = 51,174.30 : x
  2. Step 2: Convert to fraction form
    98,584.41/147,923.25 = 51,174.30/x
  3. Step 3: Cross multiply
    98,584.41x = 147,923.25 × 51,174.30
  4. Step 4: Simplify right side
    98,584.41x = 7,569,868,772.48
  5. Step 5: Solve for x
    x = 7,569,868,772.48/98,584.41
  6. Step 6: Final answer
    x = 76,785.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.