Home / 100,500.42-150,553.53-58,291.80

Finding the Fourth Proportional to 100,500.42, 150,553.53 and 58,291.80

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Solution

The fourth proportional to 100,500.42, 150,553.53 and 58,291.80 is: 87,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,500.42 : 150,553.53 = 58,291.80 : x
  2. Step 2: Convert to fraction form
    100,500.42/150,553.53 = 58,291.80/x
  3. Step 3: Cross multiply
    100,500.42x = 150,553.53 × 58,291.80
  4. Step 4: Simplify right side
    100,500.42x = 8,776,036,260.05
  5. Step 5: Solve for x
    x = 8,776,036,260.05/100,500.42
  6. Step 6: Final answer
    x = 87,323.38

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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.