Home / 89,328.84-123,273.28-49,043.28

Finding the Fourth Proportional to 89,328.84, 123,273.28 and 49,043.28

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Solution

The fourth proportional to 89,328.84, 123,273.28 and 49,043.28 is: 67,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,328.84 : 123,273.28 = 49,043.28 : x
  2. Step 2: Convert to fraction form
    89,328.84/123,273.28 = 49,043.28/x
  3. Step 3: Cross multiply
    89,328.84x = 123,273.28 × 49,043.28
  4. Step 4: Simplify right side
    89,328.84x = 6,045,725,987.56
  5. Step 5: Solve for x
    x = 6,045,725,987.56/89,328.84
  6. Step 6: Final answer
    x = 67,679.44

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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.