Home / 66,197.10-91,372.44-40,711.26

Finding the Fourth Proportional to 66,197.10, 91,372.44 and 40,711.26

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Solution

The fourth proportional to 66,197.10, 91,372.44 and 40,711.26 is: 56,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.10 : 91,372.44 = 40,711.26 : x
  2. Step 2: Convert to fraction form
    66,197.10/91,372.44 = 40,711.26/x
  3. Step 3: Cross multiply
    66,197.10x = 91,372.44 × 40,711.26
  4. Step 4: Simplify right side
    66,197.10x = 3,719,887,161.67
  5. Step 5: Solve for x
    x = 3,719,887,161.67/66,197.10
  6. Step 6: Final answer
    x = 56,194.11

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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.