Home / 89,087.92-122,951.68-51,363.52

Finding the Fourth Proportional to 89,087.92, 122,951.68 and 51,363.52

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Solution

The fourth proportional to 89,087.92, 122,951.68 and 51,363.52 is: 70,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,087.92 : 122,951.68 = 51,363.52 : x
  2. Step 2: Convert to fraction form
    89,087.92/122,951.68 = 51,363.52/x
  3. Step 3: Cross multiply
    89,087.92x = 122,951.68 × 51,363.52
  4. Step 4: Simplify right side
    89,087.92x = 6,315,231,074.71
  5. Step 5: Solve for x
    x = 6,315,231,074.71/89,087.92
  6. Step 6: Final answer
    x = 70,887.63

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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.