Home / 98,906.40-148,319.64-61,410.96

Finding the Fourth Proportional to 98,906.40, 148,319.64 and 61,410.96

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Solution

The fourth proportional to 98,906.40, 148,319.64 and 61,410.96 is: 92,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906.40 : 148,319.64 = 61,410.96 : x
  2. Step 2: Convert to fraction form
    98,906.40/148,319.64 = 61,410.96/x
  3. Step 3: Cross multiply
    98,906.40x = 148,319.64 × 61,410.96
  4. Step 4: Simplify right side
    98,906.40x = 9,108,451,479.25
  5. Step 5: Solve for x
    x = 9,108,451,479.25/98,906.40
  6. Step 6: Final answer
    x = 92,091.63

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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.