Home / 119,743.35-165,244.82-66,030.63

Finding the Fourth Proportional to 119,743.35, 165,244.82 and 66,030.63

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Solution

The fourth proportional to 119,743.35, 165,244.82 and 66,030.63 is: 91,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.35 : 165,244.82 = 66,030.63 : x
  2. Step 2: Convert to fraction form
    119,743.35/165,244.82 = 66,030.63/x
  3. Step 3: Cross multiply
    119,743.35x = 165,244.82 × 66,030.63
  4. Step 4: Simplify right side
    119,743.35x = 10,911,219,238.68
  5. Step 5: Solve for x
    x = 10,911,219,238.68/119,743.35
  6. Step 6: Final answer
    x = 91,121.71

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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.