Home / 77,374.11-106,822.83-50,561.49

Finding the Fourth Proportional to 77,374.11, 106,822.83 and 50,561.49

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Solution

The fourth proportional to 77,374.11, 106,822.83 and 50,561.49 is: 69,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,374.11 : 106,822.83 = 50,561.49 : x
  2. Step 2: Convert to fraction form
    77,374.11/106,822.83 = 50,561.49/x
  3. Step 3: Cross multiply
    77,374.11x = 106,822.83 × 50,561.49
  4. Step 4: Simplify right side
    77,374.11x = 5,401,121,450.82
  5. Step 5: Solve for x
    x = 5,401,121,450.82/77,374.11
  6. Step 6: Final answer
    x = 69,805.28

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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.