Home / 89,585.76-123,633.45-51,351.67

Finding the Fourth Proportional to 89,585.76, 123,633.45 and 51,351.67

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Solution

The fourth proportional to 89,585.76, 123,633.45 and 51,351.67 is: 70,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,585.76 : 123,633.45 = 51,351.67 : x
  2. Step 2: Convert to fraction form
    89,585.76/123,633.45 = 51,351.67/x
  3. Step 3: Cross multiply
    89,585.76x = 123,633.45 × 51,351.67
  4. Step 4: Simplify right side
    89,585.76x = 6,348,784,125.36
  5. Step 5: Solve for x
    x = 6,348,784,125.36/89,585.76
  6. Step 6: Final answer
    x = 70,868.23

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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.