Home / 119,777.52-165,283.80-66,064.56

Finding the Fourth Proportional to 119,777.52, 165,283.80 and 66,064.56

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Solution

The fourth proportional to 119,777.52, 165,283.80 and 66,064.56 is: 91,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,777.52 : 165,283.80 = 66,064.56 : x
  2. Step 2: Convert to fraction form
    119,777.52/165,283.80 = 66,064.56/x
  3. Step 3: Cross multiply
    119,777.52x = 165,283.80 × 66,064.56
  4. Step 4: Simplify right side
    119,777.52x = 10,919,401,522.13
  5. Step 5: Solve for x
    x = 10,919,401,522.13/119,777.52
  6. Step 6: Final answer
    x = 91,164.03

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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.