Home / 77,374.20-106,822.99-50,561.58

Finding the Fourth Proportional to 77,374.20, 106,822.99 and 50,561.58

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Solution

The fourth proportional to 77,374.20, 106,822.99 and 50,561.58 is: 69,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,374.20 : 106,822.99 = 50,561.58 : x
  2. Step 2: Convert to fraction form
    77,374.20/106,822.99 = 50,561.58/x
  3. Step 3: Cross multiply
    77,374.20x = 106,822.99 × 50,561.58
  4. Step 4: Simplify right side
    77,374.20x = 5,401,139,154.72
  5. Step 5: Solve for x
    x = 5,401,139,154.72/77,374.20
  6. Step 6: Final answer
    x = 69,805.43

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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.