Home / 61,275.53-84,538.06-40,067.03

Finding the Fourth Proportional to 61,275.53, 84,538.06 and 40,067.03

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Solution

The fourth proportional to 61,275.53, 84,538.06 and 40,067.03 is: 55,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,275.53 : 84,538.06 = 40,067.03 : x
  2. Step 2: Convert to fraction form
    61,275.53/84,538.06 = 40,067.03/x
  3. Step 3: Cross multiply
    61,275.53x = 84,538.06 × 40,067.03
  4. Step 4: Simplify right side
    61,275.53x = 3,387,188,463.30
  5. Step 5: Solve for x
    x = 3,387,188,463.30/61,275.53
  6. Step 6: Final answer
    x = 55,278.00

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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.