Home / 101,121.48-139,553.88-58,114.74

Finding the Fourth Proportional to 101,121.48, 139,553.88 and 58,114.74

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Solution

The fourth proportional to 101,121.48, 139,553.88 and 58,114.74 is: 80,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121.48 : 139,553.88 = 58,114.74 : x
  2. Step 2: Convert to fraction form
    101,121.48/139,553.88 = 58,114.74/x
  3. Step 3: Cross multiply
    101,121.48x = 139,553.88 × 58,114.74
  4. Step 4: Simplify right side
    101,121.48x = 8,110,137,452.19
  5. Step 5: Solve for x
    x = 8,110,137,452.19/101,121.48
  6. Step 6: Final answer
    x = 80,201.93

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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.