Home / 74,786.14-112,227.81-39,750.40

Finding the Fourth Proportional to 74,786.14, 112,227.81 and 39,750.40

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Solution

The fourth proportional to 74,786.14, 112,227.81 and 39,750.40 is: 59,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.14 : 112,227.81 = 39,750.40 : x
  2. Step 2: Convert to fraction form
    74,786.14/112,227.81 = 39,750.40/x
  3. Step 3: Cross multiply
    74,786.14x = 112,227.81 × 39,750.40
  4. Step 4: Simplify right side
    74,786.14x = 4,461,100,338.62
  5. Step 5: Solve for x
    x = 4,461,100,338.62/74,786.14
  6. Step 6: Final answer
    x = 59,651.43

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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.