Home / 89,857.98-124,003.20-49,572.08

Finding the Fourth Proportional to 89,857.98, 124,003.20 and 49,572.08

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Solution

The fourth proportional to 89,857.98, 124,003.20 and 49,572.08 is: 68,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.98 : 124,003.20 = 49,572.08 : x
  2. Step 2: Convert to fraction form
    89,857.98/124,003.20 = 49,572.08/x
  3. Step 3: Cross multiply
    89,857.98x = 124,003.20 × 49,572.08
  4. Step 4: Simplify right side
    89,857.98x = 6,147,096,232.79
  5. Step 5: Solve for x
    x = 6,147,096,232.79/89,857.98
  6. Step 6: Final answer
    x = 68,409.02

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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.