Home / 66,198.98-91,354.16-37,904.66

Finding the Fourth Proportional to 66,198.98, 91,354.16 and 37,904.66

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Solution

The fourth proportional to 66,198.98, 91,354.16 and 37,904.66 is: 52,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,198.98 : 91,354.16 = 37,904.66 : x
  2. Step 2: Convert to fraction form
    66,198.98/91,354.16 = 37,904.66/x
  3. Step 3: Cross multiply
    66,198.98x = 91,354.16 × 37,904.66
  4. Step 4: Simplify right side
    66,198.98x = 3,462,748,374.39
  5. Step 5: Solve for x
    x = 3,462,748,374.39/66,198.98
  6. Step 6: Final answer
    x = 52,308.18

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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.