Home / 89,974.34-124,164.01-49,687.77

Finding the Fourth Proportional to 89,974.34, 124,164.01 and 49,687.77

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Solution

The fourth proportional to 89,974.34, 124,164.01 and 49,687.77 is: 68,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,974.34 : 124,164.01 = 49,687.77 : x
  2. Step 2: Convert to fraction form
    89,974.34/124,164.01 = 49,687.77/x
  3. Step 3: Cross multiply
    89,974.34x = 124,164.01 × 49,687.77
  4. Step 4: Simplify right side
    89,974.34x = 6,169,432,771.16
  5. Step 5: Solve for x
    x = 6,169,432,771.16/89,974.34
  6. Step 6: Final answer
    x = 68,568.80

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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.