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Finding the Fourth Proportional to 84,232.35, 116,239.76 and 45,991.78

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Solution

The fourth proportional to 84,232.35, 116,239.76 and 45,991.78 is: 63,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,232.35 : 116,239.76 = 45,991.78 : x
  2. Step 2: Convert to fraction form
    84,232.35/116,239.76 = 45,991.78/x
  3. Step 3: Cross multiply
    84,232.35x = 116,239.76 × 45,991.78
  4. Step 4: Simplify right side
    84,232.35x = 5,346,073,469.17
  5. Step 5: Solve for x
    x = 5,346,073,469.17/84,232.35
  6. Step 6: Final answer
    x = 63,468.17

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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.