Home / 66,218.41-91,381.33-36,003.66

Finding the Fourth Proportional to 66,218.41, 91,381.33 and 36,003.66

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Solution

The fourth proportional to 66,218.41, 91,381.33 and 36,003.66 is: 49,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,218.41 : 91,381.33 = 36,003.66 : x
  2. Step 2: Convert to fraction form
    66,218.41/91,381.33 = 36,003.66/x
  3. Step 3: Cross multiply
    66,218.41x = 91,381.33 × 36,003.66
  4. Step 4: Simplify right side
    66,218.41x = 3,290,062,335.67
  5. Step 5: Solve for x
    x = 3,290,062,335.67/66,218.41
  6. Step 6: Final answer
    x = 49,685.01

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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.