Home / 66,559.12-91,851.80-36,344.72

Finding the Fourth Proportional to 66,559.12, 91,851.80 and 36,344.72

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Solution

The fourth proportional to 66,559.12, 91,851.80 and 36,344.72 is: 50,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559.12 : 91,851.80 = 36,344.72 : x
  2. Step 2: Convert to fraction form
    66,559.12/91,851.80 = 36,344.72/x
  3. Step 3: Cross multiply
    66,559.12x = 91,851.80 × 36,344.72
  4. Step 4: Simplify right side
    66,559.12x = 3,338,327,952.50
  5. Step 5: Solve for x
    x = 3,338,327,952.50/66,559.12
  6. Step 6: Final answer
    x = 50,155.83

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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.