Home / 90,756.89-125,244.58-50,469.77

Finding the Fourth Proportional to 90,756.89, 125,244.58 and 50,469.77

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Solution

The fourth proportional to 90,756.89, 125,244.58 and 50,469.77 is: 69,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,756.89 : 125,244.58 = 50,469.77 : x
  2. Step 2: Convert to fraction form
    90,756.89/125,244.58 = 50,469.77/x
  3. Step 3: Cross multiply
    90,756.89x = 125,244.58 × 50,469.77
  4. Step 4: Simplify right side
    90,756.89x = 6,321,064,723.41
  5. Step 5: Solve for x
    x = 6,321,064,723.41/90,756.89
  6. Step 6: Final answer
    x = 69,648.32

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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.