Home / 124,764.09-187,147.53-36,018.42

Finding the Fourth Proportional to 124,764.09, 187,147.53 and 36,018.42

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Solution

The fourth proportional to 124,764.09, 187,147.53 and 36,018.42 is: 54,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764.09 : 187,147.53 = 36,018.42 : x
  2. Step 2: Convert to fraction form
    124,764.09/187,147.53 = 36,018.42/x
  3. Step 3: Cross multiply
    124,764.09x = 187,147.53 × 36,018.42
  4. Step 4: Simplify right side
    124,764.09x = 6,740,758,337.50
  5. Step 5: Solve for x
    x = 6,740,758,337.50/124,764.09
  6. Step 6: Final answer
    x = 54,028.03

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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.