Home / 83,945.21-125,931.49-24,786.86

Finding the Fourth Proportional to 83,945.21, 125,931.49 and 24,786.86

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Solution

The fourth proportional to 83,945.21, 125,931.49 and 24,786.86 is: 37,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,945.21 : 125,931.49 = 24,786.86 : x
  2. Step 2: Convert to fraction form
    83,945.21/125,931.49 = 24,786.86/x
  3. Step 3: Cross multiply
    83,945.21x = 125,931.49 × 24,786.86
  4. Step 4: Simplify right side
    83,945.21x = 3,121,446,212.22
  5. Step 5: Solve for x
    x = 3,121,446,212.22/83,945.21
  6. Step 6: Final answer
    x = 37,184.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.