Home / 77,477.80-116,178.28-27,550.38

Finding the Fourth Proportional to 77,477.80, 116,178.28 and 27,550.38

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Solution

The fourth proportional to 77,477.80, 116,178.28 and 27,550.38 is: 41,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,477.80 : 116,178.28 = 27,550.38 : x
  2. Step 2: Convert to fraction form
    77,477.80/116,178.28 = 27,550.38/x
  3. Step 3: Cross multiply
    77,477.80x = 116,178.28 × 27,550.38
  4. Step 4: Simplify right side
    77,477.80x = 3,200,755,761.75
  5. Step 5: Solve for x
    x = 3,200,755,761.75/77,477.80
  6. Step 6: Final answer
    x = 41,311.91

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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.