Home / 123,256.62-170,094.15-66,668.01

Finding the Fourth Proportional to 123,256.62, 170,094.15 and 66,668.01

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Solution

The fourth proportional to 123,256.62, 170,094.15 and 66,668.01 is: 92,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,256.62 : 170,094.15 = 66,668.01 : x
  2. Step 2: Convert to fraction form
    123,256.62/170,094.15 = 66,668.01/x
  3. Step 3: Cross multiply
    123,256.62x = 170,094.15 × 66,668.01
  4. Step 4: Simplify right side
    123,256.62x = 11,339,838,493.14
  5. Step 5: Solve for x
    x = 11,339,838,493.14/123,256.62
  6. Step 6: Final answer
    x = 92,001.86

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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.