Home / 89,939.49-124,113.24-49,652.39

Finding the Fourth Proportional to 89,939.49, 124,113.24 and 49,652.39

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Solution

The fourth proportional to 89,939.49, 124,113.24 and 49,652.39 is: 68,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.49 : 124,113.24 = 49,652.39 : x
  2. Step 2: Convert to fraction form
    89,939.49/124,113.24 = 49,652.39/x
  3. Step 3: Cross multiply
    89,939.49x = 124,113.24 × 49,652.39
  4. Step 4: Simplify right side
    89,939.49x = 6,162,518,996.64
  5. Step 5: Solve for x
    x = 6,162,518,996.64/89,939.49
  6. Step 6: Final answer
    x = 68,518.50

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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.