Home / 84,815.61-117,066.56-49,027.92

Finding the Fourth Proportional to 84,815.61, 117,066.56 and 49,027.92

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Solution

The fourth proportional to 84,815.61, 117,066.56 and 49,027.92 is: 67,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,815.61 : 117,066.56 = 49,027.92 : x
  2. Step 2: Convert to fraction form
    84,815.61/117,066.56 = 49,027.92/x
  3. Step 3: Cross multiply
    84,815.61x = 117,066.56 × 49,027.92
  4. Step 4: Simplify right side
    84,815.61x = 5,739,529,938.36
  5. Step 5: Solve for x
    x = 5,739,529,938.36/84,815.61
  6. Step 6: Final answer
    x = 67,670.68

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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.