Home / 84,233.12-116,238.64-45,991.96

Finding the Fourth Proportional to 84,233.12, 116,238.64 and 45,991.96

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Solution

The fourth proportional to 84,233.12, 116,238.64 and 45,991.96 is: 63,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.12 : 116,238.64 = 45,991.96 : x
  2. Step 2: Convert to fraction form
    84,233.12/116,238.64 = 45,991.96/x
  3. Step 3: Cross multiply
    84,233.12x = 116,238.64 × 45,991.96
  4. Step 4: Simplify right side
    84,233.12x = 5,346,042,881.33
  5. Step 5: Solve for x
    x = 5,346,042,881.33/84,233.12
  6. Step 6: Final answer
    x = 63,467.23

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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.