Home / 86,558.64-129,854.79-33,246.70

Finding the Fourth Proportional to 86,558.64, 129,854.79 and 33,246.70

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Solution

The fourth proportional to 86,558.64, 129,854.79 and 33,246.70 is: 49,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,558.64 : 129,854.79 = 33,246.70 : x
  2. Step 2: Convert to fraction form
    86,558.64/129,854.79 = 33,246.70/x
  3. Step 3: Cross multiply
    86,558.64x = 129,854.79 × 33,246.70
  4. Step 4: Simplify right side
    86,558.64x = 4,317,243,084.37
  5. Step 5: Solve for x
    x = 4,317,243,084.37/86,558.64
  6. Step 6: Final answer
    x = 49,876.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.