Home / 89,090.52-122,944.96-48,805.74

Finding the Fourth Proportional to 89,090.52, 122,944.96 and 48,805.74

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Solution

The fourth proportional to 89,090.52, 122,944.96 and 48,805.74 is: 67,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.52 : 122,944.96 = 48,805.74 : x
  2. Step 2: Convert to fraction form
    89,090.52/122,944.96 = 48,805.74/x
  3. Step 3: Cross multiply
    89,090.52x = 122,944.96 × 48,805.74
  4. Step 4: Simplify right side
    89,090.52x = 6,000,419,752.07
  5. Step 5: Solve for x
    x = 6,000,419,752.07/89,090.52
  6. Step 6: Final answer
    x = 67,351.94

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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.