Home / 54,870.66-75,722.13-30,997.62

Finding the Fourth Proportional to 54,870.66, 75,722.13 and 30,997.62

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Solution

The fourth proportional to 54,870.66, 75,722.13 and 30,997.62 is: 42,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.66 : 75,722.13 = 30,997.62 : x
  2. Step 2: Convert to fraction form
    54,870.66/75,722.13 = 30,997.62/x
  3. Step 3: Cross multiply
    54,870.66x = 75,722.13 × 30,997.62
  4. Step 4: Simplify right side
    54,870.66x = 2,347,205,811.33
  5. Step 5: Solve for x
    x = 2,347,205,811.33/54,870.66
  6. Step 6: Final answer
    x = 42,777.07

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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.