Home / 88,131.43-121,623.49-47,846.89

Finding the Fourth Proportional to 88,131.43, 121,623.49 and 47,846.89

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Solution

The fourth proportional to 88,131.43, 121,623.49 and 47,846.89 is: 66,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131.43 : 121,623.49 = 47,846.89 : x
  2. Step 2: Convert to fraction form
    88,131.43/121,623.49 = 47,846.89/x
  3. Step 3: Cross multiply
    88,131.43x = 121,623.49 × 47,846.89
  4. Step 4: Simplify right side
    88,131.43x = 5,819,305,747.45
  5. Step 5: Solve for x
    x = 5,819,305,747.45/88,131.43
  6. Step 6: Final answer
    x = 66,029.86

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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.