Home / 66,637.09-91,961.66-36,424.44

Finding the Fourth Proportional to 66,637.09, 91,961.66 and 36,424.44

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Solution

The fourth proportional to 66,637.09, 91,961.66 and 36,424.44 is: 50,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.09 : 91,961.66 = 36,424.44 : x
  2. Step 2: Convert to fraction form
    66,637.09/91,961.66 = 36,424.44/x
  3. Step 3: Cross multiply
    66,637.09x = 91,961.66 × 36,424.44
  4. Step 4: Simplify right side
    66,637.09x = 3,349,651,966.97
  5. Step 5: Solve for x
    x = 3,349,651,966.97/66,637.09
  6. Step 6: Final answer
    x = 50,267.08

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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.