Home / 90,776.32-125,269.52-50,489.21

Finding the Fourth Proportional to 90,776.32, 125,269.52 and 50,489.21

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Solution

The fourth proportional to 90,776.32, 125,269.52 and 50,489.21 is: 69,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,776.32 : 125,269.52 = 50,489.21 : x
  2. Step 2: Convert to fraction form
    90,776.32/125,269.52 = 50,489.21/x
  3. Step 3: Cross multiply
    90,776.32x = 125,269.52 × 50,489.21
  4. Step 4: Simplify right side
    90,776.32x = 6,324,759,446.61
  5. Step 5: Solve for x
    x = 6,324,759,446.61/90,776.32
  6. Step 6: Final answer
    x = 69,674.11

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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.