Home / 89,463.71-123,408.54-53,632.95

Finding the Fourth Proportional to 89,463.71, 123,408.54 and 53,632.95

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Solution

The fourth proportional to 89,463.71, 123,408.54 and 53,632.95 is: 73,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,463.71 : 123,408.54 = 53,632.95 : x
  2. Step 2: Convert to fraction form
    89,463.71/123,408.54 = 53,632.95/x
  3. Step 3: Cross multiply
    89,463.71x = 123,408.54 × 53,632.95
  4. Step 4: Simplify right side
    89,463.71x = 6,618,764,055.39
  5. Step 5: Solve for x
    x = 6,618,764,055.39/89,463.71
  6. Step 6: Final answer
    x = 73,982.67

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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.