Home / 84,228.88-116,083.61-69,812.79

Finding the Fourth Proportional to 84,228.88, 116,083.61 and 69,812.79

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Solution

The fourth proportional to 84,228.88, 116,083.61 and 69,812.79 is: 96,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,228.88 : 116,083.61 = 69,812.79 : x
  2. Step 2: Convert to fraction form
    84,228.88/116,083.61 = 69,812.79/x
  3. Step 3: Cross multiply
    84,228.88x = 116,083.61 × 69,812.79
  4. Step 4: Simplify right side
    84,228.88x = 8,104,120,687.37
  5. Step 5: Solve for x
    x = 8,104,120,687.37/84,228.88
  6. Step 6: Final answer
    x = 96,215.46

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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.