Home / 84,027.51-115,956.46-45,787.31

Finding the Fourth Proportional to 84,027.51, 115,956.46 and 45,787.31

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Solution

The fourth proportional to 84,027.51, 115,956.46 and 45,787.31 is: 63,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.51 : 115,956.46 = 45,787.31 : x
  2. Step 2: Convert to fraction form
    84,027.51/115,956.46 = 45,787.31/x
  3. Step 3: Cross multiply
    84,027.51x = 115,956.46 × 45,787.31
  4. Step 4: Simplify right side
    84,027.51x = 5,309,334,292.81
  5. Step 5: Solve for x
    x = 5,309,334,292.81/84,027.51
  6. Step 6: Final answer
    x = 63,185.67

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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.