Home / 90,623.67-125,042.50-50,331.84

Finding the Fourth Proportional to 90,623.67, 125,042.50 and 50,331.84

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Solution

The fourth proportional to 90,623.67, 125,042.50 and 50,331.84 is: 69,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.67 : 125,042.50 = 50,331.84 : x
  2. Step 2: Convert to fraction form
    90,623.67/125,042.50 = 50,331.84/x
  3. Step 3: Cross multiply
    90,623.67x = 125,042.50 × 50,331.84
  4. Step 4: Simplify right side
    90,623.67x = 6,293,619,103.20
  5. Step 5: Solve for x
    x = 6,293,619,103.20/90,623.67
  6. Step 6: Final answer
    x = 69,447.85

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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.