Home / 77,571.72-116,356.32-44,220.60

Finding the Fourth Proportional to 77,571.72, 116,356.32 and 44,220.60

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Solution

The fourth proportional to 77,571.72, 116,356.32 and 44,220.60 is: 66,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571.72 : 116,356.32 = 44,220.60 : x
  2. Step 2: Convert to fraction form
    77,571.72/116,356.32 = 44,220.60/x
  3. Step 3: Cross multiply
    77,571.72x = 116,356.32 × 44,220.60
  4. Step 4: Simplify right side
    77,571.72x = 5,145,346,284.19
  5. Step 5: Solve for x
    x = 5,145,346,284.19/77,571.72
  6. Step 6: Final answer
    x = 66,330.18

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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.