Home / 89,786.95-123,905.30-49,502.41

Finding the Fourth Proportional to 89,786.95, 123,905.30 and 49,502.41

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Solution

The fourth proportional to 89,786.95, 123,905.30 and 49,502.41 is: 68,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786.95 : 123,905.30 = 49,502.41 : x
  2. Step 2: Convert to fraction form
    89,786.95/123,905.30 = 49,502.41/x
  3. Step 3: Cross multiply
    89,786.95x = 123,905.30 × 49,502.41
  4. Step 4: Simplify right side
    89,786.95x = 6,133,610,404.50
  5. Step 5: Solve for x
    x = 6,133,610,404.50/89,786.95
  6. Step 6: Final answer
    x = 68,312.94

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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.