Home / 66,132.30-91,263.23-35,918.21

Finding the Fourth Proportional to 66,132.30, 91,263.23 and 35,918.21

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Solution

The fourth proportional to 66,132.30, 91,263.23 and 35,918.21 is: 49,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,132.30 : 91,263.23 = 35,918.21 : x
  2. Step 2: Convert to fraction form
    66,132.30/91,263.23 = 35,918.21/x
  3. Step 3: Cross multiply
    66,132.30x = 91,263.23 × 35,918.21
  4. Step 4: Simplify right side
    66,132.30x = 3,278,011,701.44
  5. Step 5: Solve for x
    x = 3,278,011,701.44/66,132.30
  6. Step 6: Final answer
    x = 49,567.49

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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.