Home / 119,743.86-165,245.50-66,031.14

Finding the Fourth Proportional to 119,743.86, 165,245.50 and 66,031.14

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Solution

The fourth proportional to 119,743.86, 165,245.50 and 66,031.14 is: 91,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.86 : 165,245.50 = 66,031.14 : x
  2. Step 2: Convert to fraction form
    119,743.86/165,245.50 = 66,031.14/x
  3. Step 3: Cross multiply
    119,743.86x = 165,245.50 × 66,031.14
  4. Step 4: Simplify right side
    119,743.86x = 10,911,348,744.87
  5. Step 5: Solve for x
    x = 10,911,348,744.87/119,743.86
  6. Step 6: Final answer
    x = 91,122.41

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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.