Home / 89,117.28-122,951.61-50,849.34

Finding the Fourth Proportional to 89,117.28, 122,951.61 and 50,849.34

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Solution

The fourth proportional to 89,117.28, 122,951.61 and 50,849.34 is: 70,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.28 : 122,951.61 = 50,849.34 : x
  2. Step 2: Convert to fraction form
    89,117.28/122,951.61 = 50,849.34/x
  3. Step 3: Cross multiply
    89,117.28x = 122,951.61 × 50,849.34
  4. Step 4: Simplify right side
    89,117.28x = 6,252,008,220.44
  5. Step 5: Solve for x
    x = 6,252,008,220.44/89,117.28
  6. Step 6: Final answer
    x = 70,154.84

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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.