Home / 83,840.83-115,716.78-48,054.83

Finding the Fourth Proportional to 83,840.83, 115,716.78 and 48,054.83

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Solution

The fourth proportional to 83,840.83, 115,716.78 and 48,054.83 is: 66,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.83 : 115,716.78 = 48,054.83 : x
  2. Step 2: Convert to fraction form
    83,840.83/115,716.78 = 48,054.83/x
  3. Step 3: Cross multiply
    83,840.83x = 115,716.78 × 48,054.83
  4. Step 4: Simplify right side
    83,840.83x = 5,560,749,612.46
  5. Step 5: Solve for x
    x = 5,560,749,612.46/83,840.83
  6. Step 6: Final answer
    x = 66,325.08

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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.