Home / 56,759.51-85,008.04-54,791.21

Finding the Fourth Proportional to 56,759.51, 85,008.04 and 54,791.21

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Solution

The fourth proportional to 56,759.51, 85,008.04 and 54,791.21 is: 82,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.51 : 85,008.04 = 54,791.21 : x
  2. Step 2: Convert to fraction form
    56,759.51/85,008.04 = 54,791.21/x
  3. Step 3: Cross multiply
    56,759.51x = 85,008.04 × 54,791.21
  4. Step 4: Simplify right side
    56,759.51x = 4,657,693,097.37
  5. Step 5: Solve for x
    x = 4,657,693,097.37/56,759.51
  6. Step 6: Final answer
    x = 82,060.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.