Home / 101,125.05-139,580.33-58,697.25

Finding the Fourth Proportional to 101,125.05, 139,580.33 and 58,697.25

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Solution

The fourth proportional to 101,125.05, 139,580.33 and 58,697.25 is: 81,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125.05 : 139,580.33 = 58,697.25 : x
  2. Step 2: Convert to fraction form
    101,125.05/139,580.33 = 58,697.25/x
  3. Step 3: Cross multiply
    101,125.05x = 139,580.33 × 58,697.25
  4. Step 4: Simplify right side
    101,125.05x = 8,192,981,231.61
  5. Step 5: Solve for x
    x = 8,192,981,231.61/101,125.05
  6. Step 6: Final answer
    x = 81,018.32

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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.