Home / 101,243.32-139,717.26-58,801.85

Finding the Fourth Proportional to 101,243.32, 139,717.26 and 58,801.85

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Solution

The fourth proportional to 101,243.32, 139,717.26 and 58,801.85 is: 81,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,243.32 : 139,717.26 = 58,801.85 : x
  2. Step 2: Convert to fraction form
    101,243.32/139,717.26 = 58,801.85/x
  3. Step 3: Cross multiply
    101,243.32x = 139,717.26 × 58,801.85
  4. Step 4: Simplify right side
    101,243.32x = 8,215,633,364.93
  5. Step 5: Solve for x
    x = 8,215,633,364.93/101,243.32
  6. Step 6: Final answer
    x = 81,147.41

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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.