Home / 89,145.39-133,688.91-41,745.81

Finding the Fourth Proportional to 89,145.39, 133,688.91 and 41,745.81

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Solution

The fourth proportional to 89,145.39, 133,688.91 and 41,745.81 is: 62,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.39 : 133,688.91 = 41,745.81 : x
  2. Step 2: Convert to fraction form
    89,145.39/133,688.91 = 41,745.81/x
  3. Step 3: Cross multiply
    89,145.39x = 133,688.91 × 41,745.81
  4. Step 4: Simplify right side
    89,145.39x = 5,580,951,835.97
  5. Step 5: Solve for x
    x = 5,580,951,835.97/89,145.39
  6. Step 6: Final answer
    x = 62,605.05

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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.