Home / 74,035.75-111,053.67-18,631.75

Finding the Fourth Proportional to 74,035.75, 111,053.67 and 18,631.75

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Solution

The fourth proportional to 74,035.75, 111,053.67 and 18,631.75 is: 27,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.75 : 111,053.67 = 18,631.75 : x
  2. Step 2: Convert to fraction form
    74,035.75/111,053.67 = 18,631.75/x
  3. Step 3: Cross multiply
    74,035.75x = 111,053.67 × 18,631.75
  4. Step 4: Simplify right side
    74,035.75x = 2,069,124,216.02
  5. Step 5: Solve for x
    x = 2,069,124,216.02/74,035.75
  6. Step 6: Final answer
    x = 27,947.64

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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.