Home / 102,997.51-154,596.15-49,727.05

Finding the Fourth Proportional to 102,997.51, 154,596.15 and 49,727.05

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Solution

The fourth proportional to 102,997.51, 154,596.15 and 49,727.05 is: 74,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,997.51 : 154,596.15 = 49,727.05 : x
  2. Step 2: Convert to fraction form
    102,997.51/154,596.15 = 49,727.05/x
  3. Step 3: Cross multiply
    102,997.51x = 154,596.15 × 49,727.05
  4. Step 4: Simplify right side
    102,997.51x = 7,687,611,053.82
  5. Step 5: Solve for x
    x = 7,687,611,053.82/102,997.51
  6. Step 6: Final answer
    x = 74,638.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.