Home / 66,614.22-91,887.40-43,945.16

Finding the Fourth Proportional to 66,614.22, 91,887.40 and 43,945.16

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Solution

The fourth proportional to 66,614.22, 91,887.40 and 43,945.16 is: 60,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,614.22 : 91,887.40 = 43,945.16 : x
  2. Step 2: Convert to fraction form
    66,614.22/91,887.40 = 43,945.16/x
  3. Step 3: Cross multiply
    66,614.22x = 91,887.40 × 43,945.16
  4. Step 4: Simplify right side
    66,614.22x = 4,038,006,494.98
  5. Step 5: Solve for x
    x = 4,038,006,494.98/66,614.22
  6. Step 6: Final answer
    x = 60,617.79

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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.