Home / 66,195.18-99,236.88-28,726.92

Finding the Fourth Proportional to 66,195.18, 99,236.88 and 28,726.92

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Solution

The fourth proportional to 66,195.18, 99,236.88 and 28,726.92 is: 43,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.18 : 99,236.88 = 28,726.92 : x
  2. Step 2: Convert to fraction form
    66,195.18/99,236.88 = 28,726.92/x
  3. Step 3: Cross multiply
    66,195.18x = 99,236.88 × 28,726.92
  4. Step 4: Simplify right side
    66,195.18x = 2,850,769,912.81
  5. Step 5: Solve for x
    x = 2,850,769,912.81/66,195.18
  6. Step 6: Final answer
    x = 43,066.13

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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.