Home / 80,547.82-120,775.43-33,195.60

Finding the Fourth Proportional to 80,547.82, 120,775.43 and 33,195.60

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Solution

The fourth proportional to 80,547.82, 120,775.43 and 33,195.60 is: 49,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.82 : 120,775.43 = 33,195.60 : x
  2. Step 2: Convert to fraction form
    80,547.82/120,775.43 = 33,195.60/x
  3. Step 3: Cross multiply
    80,547.82x = 120,775.43 × 33,195.60
  4. Step 4: Simplify right side
    80,547.82x = 4,009,212,947.10
  5. Step 5: Solve for x
    x = 4,009,212,947.10/80,547.82
  6. Step 6: Final answer
    x = 49,774.32

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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.