Home / 127,103.06-175,402.38-70,514.42

Finding the Fourth Proportional to 127,103.06, 175,402.38 and 70,514.42

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Solution

The fourth proportional to 127,103.06, 175,402.38 and 70,514.42 is: 97,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,103.06 : 175,402.38 = 70,514.42 : x
  2. Step 2: Convert to fraction form
    127,103.06/175,402.38 = 70,514.42/x
  3. Step 3: Cross multiply
    127,103.06x = 175,402.38 × 70,514.42
  4. Step 4: Simplify right side
    127,103.06x = 12,368,397,092.32
  5. Step 5: Solve for x
    x = 12,368,397,092.32/127,103.06
  6. Step 6: Final answer
    x = 97,309.99

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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.