Home / 51,480.20-77,105.48-43,607.00

Finding the Fourth Proportional to 51,480.20, 77,105.48 and 43,607.00

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Solution

The fourth proportional to 51,480.20, 77,105.48 and 43,607.00 is: 65,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,480.20 : 77,105.48 = 43,607.00 : x
  2. Step 2: Convert to fraction form
    51,480.20/77,105.48 = 43,607.00/x
  3. Step 3: Cross multiply
    51,480.20x = 77,105.48 × 43,607.00
  4. Step 4: Simplify right side
    51,480.20x = 3,362,338,062.80
  5. Step 5: Solve for x
    x = 3,362,338,062.80/51,480.20
  6. Step 6: Final answer
    x = 65,313.23

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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.