Home / 99,204.08-136,833.68-63,378.24

Finding the Fourth Proportional to 99,204.08, 136,833.68 and 63,378.24

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Solution

The fourth proportional to 99,204.08, 136,833.68 and 63,378.24 is: 87,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,204.08 : 136,833.68 = 63,378.24 : x
  2. Step 2: Convert to fraction form
    99,204.08/136,833.68 = 63,378.24/x
  3. Step 3: Cross multiply
    99,204.08x = 136,833.68 × 63,378.24
  4. Step 4: Simplify right side
    99,204.08x = 8,672,277,811.12
  5. Step 5: Solve for x
    x = 8,672,277,811.12/99,204.08
  6. Step 6: Final answer
    x = 87,418.56

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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.