Home / 89,531.84-123,596.19-56,842.67

Finding the Fourth Proportional to 89,531.84, 123,596.19 and 56,842.67

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Solution

The fourth proportional to 89,531.84, 123,596.19 and 56,842.67 is: 78,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.84 : 123,596.19 = 56,842.67 : x
  2. Step 2: Convert to fraction form
    89,531.84/123,596.19 = 56,842.67/x
  3. Step 3: Cross multiply
    89,531.84x = 123,596.19 × 56,842.67
  4. Step 4: Simplify right side
    89,531.84x = 7,025,536,823.45
  5. Step 5: Solve for x
    x = 7,025,536,823.45/89,531.84
  6. Step 6: Final answer
    x = 78,469.71

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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.