Home / 124,021.64-171,151.36-73,034.48

Finding the Fourth Proportional to 124,021.64, 171,151.36 and 73,034.48

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Solution

The fourth proportional to 124,021.64, 171,151.36 and 73,034.48 is: 100,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,021.64 : 171,151.36 = 73,034.48 : x
  2. Step 2: Convert to fraction form
    124,021.64/171,151.36 = 73,034.48/x
  3. Step 3: Cross multiply
    124,021.64x = 171,151.36 × 73,034.48
  4. Step 4: Simplify right side
    124,021.64x = 12,499,950,578.89
  5. Step 5: Solve for x
    x = 12,499,950,578.89/124,021.64
  6. Step 6: Final answer
    x = 100,788.46

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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.