Home / 66,050.22-91,199.21-40,591.72

Finding the Fourth Proportional to 66,050.22, 91,199.21 and 40,591.72

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Solution

The fourth proportional to 66,050.22, 91,199.21 and 40,591.72 is: 56,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.22 : 91,199.21 = 40,591.72 : x
  2. Step 2: Convert to fraction form
    66,050.22/91,199.21 = 40,591.72/x
  3. Step 3: Cross multiply
    66,050.22x = 91,199.21 × 40,591.72
  4. Step 4: Simplify right side
    66,050.22x = 3,701,932,796.54
  5. Step 5: Solve for x
    x = 3,701,932,796.54/66,050.22
  6. Step 6: Final answer
    x = 56,047.24

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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.