Home / 99,961.06-149,867.52-60,508.84

Finding the Fourth Proportional to 99,961.06, 149,867.52 and 60,508.84

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Solution

The fourth proportional to 99,961.06, 149,867.52 and 60,508.84 is: 90,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,961.06 : 149,867.52 = 60,508.84 : x
  2. Step 2: Convert to fraction form
    99,961.06/149,867.52 = 60,508.84/x
  3. Step 3: Cross multiply
    99,961.06x = 149,867.52 × 60,508.84
  4. Step 4: Simplify right side
    99,961.06x = 9,068,309,788.88
  5. Step 5: Solve for x
    x = 9,068,309,788.88/99,961.06
  6. Step 6: Final answer
    x = 90,718.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.