Home / 77,441.24-106,906.46-51,938.30

Finding the Fourth Proportional to 77,441.24, 106,906.46 and 51,938.30

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Solution

The fourth proportional to 77,441.24, 106,906.46 and 51,938.30 is: 71,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,441.24 : 106,906.46 = 51,938.30 : x
  2. Step 2: Convert to fraction form
    77,441.24/106,906.46 = 51,938.30/x
  3. Step 3: Cross multiply
    77,441.24x = 106,906.46 × 51,938.30
  4. Step 4: Simplify right side
    77,441.24x = 5,552,538,997.19
  5. Step 5: Solve for x
    x = 5,552,538,997.19/77,441.24
  6. Step 6: Final answer
    x = 71,700.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.