Home / 89,491.08-123,497.79-49,205.52

Finding the Fourth Proportional to 89,491.08, 123,497.79 and 49,205.52

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Solution

The fourth proportional to 89,491.08, 123,497.79 and 49,205.52 is: 67,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,491.08 : 123,497.79 = 49,205.52 : x
  2. Step 2: Convert to fraction form
    89,491.08/123,497.79 = 49,205.52/x
  3. Step 3: Cross multiply
    89,491.08x = 123,497.79 × 49,205.52
  4. Step 4: Simplify right side
    89,491.08x = 6,076,772,975.80
  5. Step 5: Solve for x
    x = 6,076,772,975.80/89,491.08
  6. Step 6: Final answer
    x = 67,903.67

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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.