Home / 74,641.66-111,920.37-27,875.50

Finding the Fourth Proportional to 74,641.66, 111,920.37 and 27,875.50

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Solution

The fourth proportional to 74,641.66, 111,920.37 and 27,875.50 is: 41,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,641.66 : 111,920.37 = 27,875.50 : x
  2. Step 2: Convert to fraction form
    74,641.66/111,920.37 = 27,875.50/x
  3. Step 3: Cross multiply
    74,641.66x = 111,920.37 × 27,875.50
  4. Step 4: Simplify right side
    74,641.66x = 3,119,836,273.94
  5. Step 5: Solve for x
    x = 3,119,836,273.94/74,641.66
  6. Step 6: Final answer
    x = 41,797.52

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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.