Home / 77,350.16-116,025.34-21,190.76

Finding the Fourth Proportional to 77,350.16, 116,025.34 and 21,190.76

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Solution

The fourth proportional to 77,350.16, 116,025.34 and 21,190.76 is: 31,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,350.16 : 116,025.34 = 21,190.76 : x
  2. Step 2: Convert to fraction form
    77,350.16/116,025.34 = 21,190.76/x
  3. Step 3: Cross multiply
    77,350.16x = 116,025.34 × 21,190.76
  4. Step 4: Simplify right side
    77,350.16x = 2,458,665,450.41
  5. Step 5: Solve for x
    x = 2,458,665,450.41/77,350.16
  6. Step 6: Final answer
    x = 31,786.17

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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.