Home / 89,488.74-123,491.85-49,202.46

Finding the Fourth Proportional to 89,488.74, 123,491.85 and 49,202.46

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Solution

The fourth proportional to 89,488.74, 123,491.85 and 49,202.46 is: 67,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,488.74 : 123,491.85 = 49,202.46 : x
  2. Step 2: Convert to fraction form
    89,488.74/123,491.85 = 49,202.46/x
  3. Step 3: Cross multiply
    89,488.74x = 123,491.85 × 49,202.46
  4. Step 4: Simplify right side
    89,488.74x = 6,076,102,809.95
  5. Step 5: Solve for x
    x = 6,076,102,809.95/89,488.74
  6. Step 6: Final answer
    x = 67,897.96

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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.