Home / 66,297.68-99,446.52-54,586.32

Finding the Fourth Proportional to 66,297.68, 99,446.52 and 54,586.32

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Solution

The fourth proportional to 66,297.68, 99,446.52 and 54,586.32 is: 81,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297.68 : 99,446.52 = 54,586.32 : x
  2. Step 2: Convert to fraction form
    66,297.68/99,446.52 = 54,586.32/x
  3. Step 3: Cross multiply
    66,297.68x = 99,446.52 × 54,586.32
  4. Step 4: Simplify right side
    66,297.68x = 5,428,419,563.61
  5. Step 5: Solve for x
    x = 5,428,419,563.61/66,297.68
  6. Step 6: Final answer
    x = 81,879.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.