Home / 103,136.74-154,585.39-39,054.14

Finding the Fourth Proportional to 103,136.74, 154,585.39 and 39,054.14

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Solution

The fourth proportional to 103,136.74, 154,585.39 and 39,054.14 is: 58,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,136.74 : 154,585.39 = 39,054.14 : x
  2. Step 2: Convert to fraction form
    103,136.74/154,585.39 = 39,054.14/x
  3. Step 3: Cross multiply
    103,136.74x = 154,585.39 × 39,054.14
  4. Step 4: Simplify right side
    103,136.74x = 6,037,198,918.15
  5. Step 5: Solve for x
    x = 6,037,198,918.15/103,136.74
  6. Step 6: Final answer
    x = 58,535.87

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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.