Home / 89,823.53-134,749.14-30,645.41

Finding the Fourth Proportional to 89,823.53, 134,749.14 and 30,645.41

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Solution

The fourth proportional to 89,823.53, 134,749.14 and 30,645.41 is: 45,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,823.53 : 134,749.14 = 30,645.41 : x
  2. Step 2: Convert to fraction form
    89,823.53/134,749.14 = 30,645.41/x
  3. Step 3: Cross multiply
    89,823.53x = 134,749.14 × 30,645.41
  4. Step 4: Simplify right side
    89,823.53x = 4,129,441,815.47
  5. Step 5: Solve for x
    x = 4,129,441,815.47/89,823.53
  6. Step 6: Final answer
    x = 45,972.83

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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.