Home / 103,113.35-154,470.52-57,997.65

Finding the Fourth Proportional to 103,113.35, 154,470.52 and 57,997.65

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Solution

The fourth proportional to 103,113.35, 154,470.52 and 57,997.65 is: 86,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,113.35 : 154,470.52 = 57,997.65 : x
  2. Step 2: Convert to fraction form
    103,113.35/154,470.52 = 57,997.65/x
  3. Step 3: Cross multiply
    103,113.35x = 154,470.52 × 57,997.65
  4. Step 4: Simplify right side
    103,113.35x = 8,958,926,768.10
  5. Step 5: Solve for x
    x = 8,958,926,768.10/103,113.35
  6. Step 6: Final answer
    x = 86,884.25

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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.