Home / 89,718.12-134,630.10-32,786.91

Finding the Fourth Proportional to 89,718.12, 134,630.10 and 32,786.91

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Solution

The fourth proportional to 89,718.12, 134,630.10 and 32,786.91 is: 49,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718.12 : 134,630.10 = 32,786.91 : x
  2. Step 2: Convert to fraction form
    89,718.12/134,630.10 = 32,786.91/x
  3. Step 3: Cross multiply
    89,718.12x = 134,630.10 × 32,786.91
  4. Step 4: Simplify right side
    89,718.12x = 4,414,104,971.99
  5. Step 5: Solve for x
    x = 4,414,104,971.99/89,718.12
  6. Step 6: Final answer
    x = 49,199.70

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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.