Home / 89,132.91-133,721.30-25,953.58

Finding the Fourth Proportional to 89,132.91, 133,721.30 and 25,953.58

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Solution

The fourth proportional to 89,132.91, 133,721.30 and 25,953.58 is: 38,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.91 : 133,721.30 = 25,953.58 : x
  2. Step 2: Convert to fraction form
    89,132.91/133,721.30 = 25,953.58/x
  3. Step 3: Cross multiply
    89,132.91x = 133,721.30 × 25,953.58
  4. Step 4: Simplify right side
    89,132.91x = 3,470,546,457.25
  5. Step 5: Solve for x
    x = 3,470,546,457.25/89,132.91
  6. Step 6: Final answer
    x = 38,936.76

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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.