Home / 101,126.18-139,610.07-60,849.84

Finding the Fourth Proportional to 101,126.18, 139,610.07 and 60,849.84

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Solution

The fourth proportional to 101,126.18, 139,610.07 and 60,849.84 is: 84,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,126.18 : 139,610.07 = 60,849.84 : x
  2. Step 2: Convert to fraction form
    101,126.18/139,610.07 = 60,849.84/x
  3. Step 3: Cross multiply
    101,126.18x = 139,610.07 × 60,849.84
  4. Step 4: Simplify right side
    101,126.18x = 8,495,250,945.43
  5. Step 5: Solve for x
    x = 8,495,250,945.43/101,126.18
  6. Step 6: Final answer
    x = 84,006.44

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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.