Home / 77,947.68-116,896.32-25,345.92

Finding the Fourth Proportional to 77,947.68, 116,896.32 and 25,345.92

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Solution

The fourth proportional to 77,947.68, 116,896.32 and 25,345.92 is: 38,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947.68 : 116,896.32 = 25,345.92 : x
  2. Step 2: Convert to fraction form
    77,947.68/116,896.32 = 25,345.92/x
  3. Step 3: Cross multiply
    77,947.68x = 116,896.32 × 25,345.92
  4. Step 4: Simplify right side
    77,947.68x = 2,962,844,775.01
  5. Step 5: Solve for x
    x = 2,962,844,775.01/77,947.68
  6. Step 6: Final answer
    x = 38,010.69

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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.