Home / 99,087.21-136,853.91-65,246.97

Finding the Fourth Proportional to 99,087.21, 136,853.91 and 65,246.97

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Solution

The fourth proportional to 99,087.21, 136,853.91 and 65,246.97 is: 90,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,087.21 : 136,853.91 = 65,246.97 : x
  2. Step 2: Convert to fraction form
    99,087.21/136,853.91 = 65,246.97/x
  3. Step 3: Cross multiply
    99,087.21x = 136,853.91 × 65,246.97
  4. Step 4: Simplify right side
    99,087.21x = 8,929,302,960.15
  5. Step 5: Solve for x
    x = 8,929,302,960.15/99,087.21
  6. Step 6: Final answer
    x = 90,115.60

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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.