Home / 75,538-113,309.40-22,947.94

Finding the Fourth Proportional to 75,538, 113,309.40 and 22,947.94

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Solution

The fourth proportional to 75,538, 113,309.40 and 22,947.94 is: 34,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538 : 113,309.40 = 22,947.94 : x
  2. Step 2: Convert to fraction form
    75,538/113,309.40 = 22,947.94/x
  3. Step 3: Cross multiply
    75,538x = 113,309.40 × 22,947.94
  4. Step 4: Simplify right side
    75,538x = 2,600,217,312.64
  5. Step 5: Solve for x
    x = 2,600,217,312.64/75,538
  6. Step 6: Final answer
    x = 34,422.64

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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.