Home / 71,777.33-98,950.07-50,490.53

Finding the Fourth Proportional to 71,777.33, 98,950.07 and 50,490.53

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Solution

The fourth proportional to 71,777.33, 98,950.07 and 50,490.53 is: 69,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,777.33 : 98,950.07 = 50,490.53 : x
  2. Step 2: Convert to fraction form
    71,777.33/98,950.07 = 50,490.53/x
  3. Step 3: Cross multiply
    71,777.33x = 98,950.07 × 50,490.53
  4. Step 4: Simplify right side
    71,777.33x = 4,996,041,477.84
  5. Step 5: Solve for x
    x = 4,996,041,477.84/71,777.33
  6. Step 6: Final answer
    x = 69,604.73

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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.