Home / 103,717.60-155,584.56-51,098.38

Finding the Fourth Proportional to 103,717.60, 155,584.56 and 51,098.38

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Solution

The fourth proportional to 103,717.60, 155,584.56 and 51,098.38 is: 76,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,717.60 : 155,584.56 = 51,098.38 : x
  2. Step 2: Convert to fraction form
    103,717.60/155,584.56 = 51,098.38/x
  3. Step 3: Cross multiply
    103,717.60x = 155,584.56 × 51,098.38
  4. Step 4: Simplify right side
    103,717.60x = 7,950,118,969.01
  5. Step 5: Solve for x
    x = 7,950,118,969.01/103,717.60
  6. Step 6: Final answer
    x = 76,651.59

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1.5x scale

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.