Home / 119,743.98-165,242.91-66,031.26

Finding the Fourth Proportional to 119,743.98, 165,242.91 and 66,031.26

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Solution

The fourth proportional to 119,743.98, 165,242.91 and 66,031.26 is: 91,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,743.98 : 165,242.91 = 66,031.26 : x
  2. Step 2: Convert to fraction form
    119,743.98/165,242.91 = 66,031.26/x
  3. Step 3: Cross multiply
    119,743.98x = 165,242.91 × 66,031.26
  4. Step 4: Simplify right side
    119,743.98x = 10,911,197,553.37
  5. Step 5: Solve for x
    x = 10,911,197,553.37/119,743.98
  6. Step 6: Final answer
    x = 91,121.05

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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.