Home / 101,631.93-140,249.34-58,610.40

Finding the Fourth Proportional to 101,631.93, 140,249.34 and 58,610.40

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Solution

The fourth proportional to 101,631.93, 140,249.34 and 58,610.40 is: 80,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.93 : 140,249.34 = 58,610.40 : x
  2. Step 2: Convert to fraction form
    101,631.93/140,249.34 = 58,610.40/x
  3. Step 3: Cross multiply
    101,631.93x = 140,249.34 × 58,610.40
  4. Step 4: Simplify right side
    101,631.93x = 8,220,069,917.14
  5. Step 5: Solve for x
    x = 8,220,069,917.14/101,631.93
  6. Step 6: Final answer
    x = 80,880.78

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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.