Home / 75,185.31-103,519.04-63,832.35

Finding the Fourth Proportional to 75,185.31, 103,519.04 and 63,832.35

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Solution

The fourth proportional to 75,185.31, 103,519.04 and 63,832.35 is: 87,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.31 : 103,519.04 = 63,832.35 : x
  2. Step 2: Convert to fraction form
    75,185.31/103,519.04 = 63,832.35/x
  3. Step 3: Cross multiply
    75,185.31x = 103,519.04 × 63,832.35
  4. Step 4: Simplify right side
    75,185.31x = 6,607,863,273.78
  5. Step 5: Solve for x
    x = 6,607,863,273.78/75,185.31
  6. Step 6: Final answer
    x = 87,887.69

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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.