Home / 110,685.32-165,943-57,320.36

Finding the Fourth Proportional to 110,685.32, 165,943 and 57,320.36

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Solution

The fourth proportional to 110,685.32, 165,943 and 57,320.36 is: 85,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,685.32 : 165,943 = 57,320.36 : x
  2. Step 2: Convert to fraction form
    110,685.32/165,943 = 57,320.36/x
  3. Step 3: Cross multiply
    110,685.32x = 165,943 × 57,320.36
  4. Step 4: Simplify right side
    110,685.32x = 9,511,912,499.48
  5. Step 5: Solve for x
    x = 9,511,912,499.48/110,685.32
  6. Step 6: Final answer
    x = 85,936.53

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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.