Home / 77,900.76-116,834.73-27,983.70

Finding the Fourth Proportional to 77,900.76, 116,834.73 and 27,983.70

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Solution

The fourth proportional to 77,900.76, 116,834.73 and 27,983.70 is: 41,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900.76 : 116,834.73 = 27,983.70 : x
  2. Step 2: Convert to fraction form
    77,900.76/116,834.73 = 27,983.70/x
  3. Step 3: Cross multiply
    77,900.76x = 116,834.73 × 27,983.70
  4. Step 4: Simplify right side
    77,900.76x = 3,269,468,033.90
  5. Step 5: Solve for x
    x = 3,269,468,033.90/77,900.76
  6. Step 6: Final answer
    x = 41,969.66

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1.5x scale

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.