Home / 66,631.02-91,956.27-37,959.66

Finding the Fourth Proportional to 66,631.02, 91,956.27 and 37,959.66

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Solution

The fourth proportional to 66,631.02, 91,956.27 and 37,959.66 is: 52,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,631.02 : 91,956.27 = 37,959.66 : x
  2. Step 2: Convert to fraction form
    66,631.02/91,956.27 = 37,959.66/x
  3. Step 3: Cross multiply
    66,631.02x = 91,956.27 × 37,959.66
  4. Step 4: Simplify right side
    66,631.02x = 3,490,628,744.07
  5. Step 5: Solve for x
    x = 3,490,628,744.07/66,631.02
  6. Step 6: Final answer
    x = 52,387.44

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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.