Home / 90,824.63-125,318.34-55,016.15

Finding the Fourth Proportional to 90,824.63, 125,318.34 and 55,016.15

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Solution

The fourth proportional to 90,824.63, 125,318.34 and 55,016.15 is: 75,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,824.63 : 125,318.34 = 55,016.15 : x
  2. Step 2: Convert to fraction form
    90,824.63/125,318.34 = 55,016.15/x
  3. Step 3: Cross multiply
    90,824.63x = 125,318.34 × 55,016.15
  4. Step 4: Simplify right side
    90,824.63x = 6,894,532,591.19
  5. Step 5: Solve for x
    x = 6,894,532,591.19/90,824.63
  6. Step 6: Final answer
    x = 75,910.38

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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.