Home / 89,817.99-123,947.19-49,535.48

Finding the Fourth Proportional to 89,817.99, 123,947.19 and 49,535.48

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Solution

The fourth proportional to 89,817.99, 123,947.19 and 49,535.48 is: 68,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,817.99 : 123,947.19 = 49,535.48 : x
  2. Step 2: Convert to fraction form
    89,817.99/123,947.19 = 49,535.48/x
  3. Step 3: Cross multiply
    89,817.99x = 123,947.19 × 49,535.48
  4. Step 4: Simplify right side
    89,817.99x = 6,139,782,931.57
  5. Step 5: Solve for x
    x = 6,139,782,931.57/89,817.99
  6. Step 6: Final answer
    x = 68,358.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.