Home / 75,003.24-103,456.62-57,058.92

Finding the Fourth Proportional to 75,003.24, 103,456.62 and 57,058.92

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Solution

The fourth proportional to 75,003.24, 103,456.62 and 57,058.92 is: 78,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,003.24 : 103,456.62 = 57,058.92 : x
  2. Step 2: Convert to fraction form
    75,003.24/103,456.62 = 57,058.92/x
  3. Step 3: Cross multiply
    75,003.24x = 103,456.62 × 57,058.92
  4. Step 4: Simplify right side
    75,003.24x = 5,903,123,004.05
  5. Step 5: Solve for x
    x = 5,903,123,004.05/75,003.24
  6. Step 6: Final answer
    x = 78,704.91

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1.5x scale

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.