Home / 84,354.28-116,333.45-69,991.32

Finding the Fourth Proportional to 84,354.28, 116,333.45 and 69,991.32

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Solution

The fourth proportional to 84,354.28, 116,333.45 and 69,991.32 is: 96,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,354.28 : 116,333.45 = 69,991.32 : x
  2. Step 2: Convert to fraction form
    84,354.28/116,333.45 = 69,991.32/x
  3. Step 3: Cross multiply
    84,354.28x = 116,333.45 × 69,991.32
  4. Step 4: Simplify right side
    84,354.28x = 8,142,332,424.37
  5. Step 5: Solve for x
    x = 8,142,332,424.37/84,354.28
  6. Step 6: Final answer
    x = 96,525.43

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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.