Home / 66,252.12-91,457.77-43,603

Finding the Fourth Proportional to 66,252.12, 91,457.77 and 43,603

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Solution

The fourth proportional to 66,252.12, 91,457.77 and 43,603 is: 60,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,252.12 : 91,457.77 = 43,603 : x
  2. Step 2: Convert to fraction form
    66,252.12/91,457.77 = 43,603/x
  3. Step 3: Cross multiply
    66,252.12x = 91,457.77 × 43,603
  4. Step 4: Simplify right side
    66,252.12x = 3,987,833,145.31
  5. Step 5: Solve for x
    x = 3,987,833,145.31/66,252.12
  6. Step 6: Final answer
    x = 60,191.78

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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.