Home / 66,216.99-99,323.27-28,777.06

Finding the Fourth Proportional to 66,216.99, 99,323.27 and 28,777.06

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Solution

The fourth proportional to 66,216.99, 99,323.27 and 28,777.06 is: 43,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.99 : 99,323.27 = 28,777.06 : x
  2. Step 2: Convert to fraction form
    66,216.99/99,323.27 = 28,777.06/x
  3. Step 3: Cross multiply
    66,216.99x = 99,323.27 × 28,777.06
  4. Step 4: Simplify right side
    66,216.99x = 2,858,231,788.37
  5. Step 5: Solve for x
    x = 2,858,231,788.37/66,216.99
  6. Step 6: Final answer
    x = 43,164.63

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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.