Home / 90,811.96-125,306.06-50,525.60

Finding the Fourth Proportional to 90,811.96, 125,306.06 and 50,525.60

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Solution

The fourth proportional to 90,811.96, 125,306.06 and 50,525.60 is: 69,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,811.96 : 125,306.06 = 50,525.60 : x
  2. Step 2: Convert to fraction form
    90,811.96/125,306.06 = 50,525.60/x
  3. Step 3: Cross multiply
    90,811.96x = 125,306.06 × 50,525.60
  4. Step 4: Simplify right side
    90,811.96x = 6,331,162,985.98
  5. Step 5: Solve for x
    x = 6,331,162,985.98/90,811.96
  6. Step 6: Final answer
    x = 69,717.28

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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.