Home / 81,944.64-113,084.64-46,134.72

Finding the Fourth Proportional to 81,944.64, 113,084.64 and 46,134.72

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Solution

The fourth proportional to 81,944.64, 113,084.64 and 46,134.72 is: 63,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,944.64 : 113,084.64 = 46,134.72 : x
  2. Step 2: Convert to fraction form
    81,944.64/113,084.64 = 46,134.72/x
  3. Step 3: Cross multiply
    81,944.64x = 113,084.64 × 46,134.72
  4. Step 4: Simplify right side
    81,944.64x = 5,217,128,202.70
  5. Step 5: Solve for x
    x = 5,217,128,202.70/81,944.64
  6. Step 6: Final answer
    x = 63,666.50

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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.