Home / 71,595.45-98,804.81-39,764.36

Finding the Fourth Proportional to 71,595.45, 98,804.81 and 39,764.36

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Solution

The fourth proportional to 71,595.45, 98,804.81 and 39,764.36 is: 54,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,595.45 : 98,804.81 = 39,764.36 : x
  2. Step 2: Convert to fraction form
    71,595.45/98,804.81 = 39,764.36/x
  3. Step 3: Cross multiply
    71,595.45x = 98,804.81 × 39,764.36
  4. Step 4: Simplify right side
    71,595.45x = 3,928,910,034.57
  5. Step 5: Solve for x
    x = 3,928,910,034.57/71,595.45
  6. Step 6: Final answer
    x = 54,876.53

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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.