Home / 74,240.75-111,308.23-34,776.33

Finding the Fourth Proportional to 74,240.75, 111,308.23 and 34,776.33

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Solution

The fourth proportional to 74,240.75, 111,308.23 and 34,776.33 is: 52,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,240.75 : 111,308.23 = 34,776.33 : x
  2. Step 2: Convert to fraction form
    74,240.75/111,308.23 = 34,776.33/x
  3. Step 3: Cross multiply
    74,240.75x = 111,308.23 × 34,776.33
  4. Step 4: Simplify right side
    74,240.75x = 3,870,891,564.31
  5. Step 5: Solve for x
    x = 3,870,891,564.31/74,240.75
  6. Step 6: Final answer
    x = 52,139.72

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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.