Home / 77,350.32-116,025.57-21,190.91

Finding the Fourth Proportional to 77,350.32, 116,025.57 and 21,190.91

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Solution

The fourth proportional to 77,350.32, 116,025.57 and 21,190.91 is: 31,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.32 : 116,025.57 = 21,190.91 : x
  2. Step 2: Convert to fraction form
    77,350.32/116,025.57 = 21,190.91/x
  3. Step 3: Cross multiply
    77,350.32x = 116,025.57 × 21,190.91
  4. Step 4: Simplify right side
    77,350.32x = 2,458,686,831.44
  5. Step 5: Solve for x
    x = 2,458,686,831.44/77,350.32
  6. Step 6: Final answer
    x = 31,786.38

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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.