Home / 84,027.32-115,956.21-45,787.14

Finding the Fourth Proportional to 84,027.32, 115,956.21 and 45,787.14

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Solution

The fourth proportional to 84,027.32, 115,956.21 and 45,787.14 is: 63,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.32 : 115,956.21 = 45,787.14 : x
  2. Step 2: Convert to fraction form
    84,027.32/115,956.21 = 45,787.14/x
  3. Step 3: Cross multiply
    84,027.32x = 115,956.21 × 45,787.14
  4. Step 4: Simplify right side
    84,027.32x = 5,309,303,221.14
  5. Step 5: Solve for x
    x = 5,309,303,221.14/84,027.32
  6. Step 6: Final answer
    x = 63,185.44

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1.5x scale

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.