Home / 110,739.68-152,805.12-62,997.20

Finding the Fourth Proportional to 110,739.68, 152,805.12 and 62,997.20

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Solution

The fourth proportional to 110,739.68, 152,805.12 and 62,997.20 is: 86,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,739.68 : 152,805.12 = 62,997.20 : x
  2. Step 2: Convert to fraction form
    110,739.68/152,805.12 = 62,997.20/x
  3. Step 3: Cross multiply
    110,739.68x = 152,805.12 × 62,997.20
  4. Step 4: Simplify right side
    110,739.68x = 9,626,294,705.66
  5. Step 5: Solve for x
    x = 9,626,294,705.66/110,739.68
  6. Step 6: Final answer
    x = 86,927.24

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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.