Home / 99,215.64-148,480.23-61,249.32

Finding the Fourth Proportional to 99,215.64, 148,480.23 and 61,249.32

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Solution

The fourth proportional to 99,215.64, 148,480.23 and 61,249.32 is: 91,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.64 : 148,480.23 = 61,249.32 : x
  2. Step 2: Convert to fraction form
    99,215.64/148,480.23 = 61,249.32/x
  3. Step 3: Cross multiply
    99,215.64x = 148,480.23 × 61,249.32
  4. Step 4: Simplify right side
    99,215.64x = 9,094,313,120.94
  5. Step 5: Solve for x
    x = 9,094,313,120.94/99,215.64
  6. Step 6: Final answer
    x = 91,662.09

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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.