Home / 101,083.35-139,487.26-55,763.04

Finding the Fourth Proportional to 101,083.35, 139,487.26 and 55,763.04

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Solution

The fourth proportional to 101,083.35, 139,487.26 and 55,763.04 is: 76,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,083.35 : 139,487.26 = 55,763.04 : x
  2. Step 2: Convert to fraction form
    101,083.35/139,487.26 = 55,763.04/x
  3. Step 3: Cross multiply
    101,083.35x = 139,487.26 × 55,763.04
  4. Step 4: Simplify right side
    101,083.35x = 7,778,233,658.87
  5. Step 5: Solve for x
    x = 7,778,233,658.87/101,083.35
  6. Step 6: Final answer
    x = 76,948.71

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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.