Home / 66,264.30-91,458.99-43,605.36

Finding the Fourth Proportional to 66,264.30, 91,458.99 and 43,605.36

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Solution

The fourth proportional to 66,264.30, 91,458.99 and 43,605.36 is: 60,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.30 : 91,458.99 = 43,605.36 : x
  2. Step 2: Convert to fraction form
    66,264.30/91,458.99 = 43,605.36/x
  3. Step 3: Cross multiply
    66,264.30x = 91,458.99 × 43,605.36
  4. Step 4: Simplify right side
    66,264.30x = 3,988,102,184.19
  5. Step 5: Solve for x
    x = 3,988,102,184.19/66,264.30
  6. Step 6: Final answer
    x = 60,184.78

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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.