Home / 124,777-187,053.18-45,874.36

Finding the Fourth Proportional to 124,777, 187,053.18 and 45,874.36

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Solution

The fourth proportional to 124,777, 187,053.18 and 45,874.36 is: 68,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777 : 187,053.18 = 45,874.36 : x
  2. Step 2: Convert to fraction form
    124,777/187,053.18 = 45,874.36/x
  3. Step 3: Cross multiply
    124,777x = 187,053.18 × 45,874.36
  4. Step 4: Simplify right side
    124,777x = 8,580,944,918.46
  5. Step 5: Solve for x
    x = 8,580,944,918.46/124,777
  6. Step 6: Final answer
    x = 68,770.25

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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.