Home / 76,724.19-114,966.92-29,313.42

Finding the Fourth Proportional to 76,724.19, 114,966.92 and 29,313.42

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Solution

The fourth proportional to 76,724.19, 114,966.92 and 29,313.42 is: 43,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,724.19 : 114,966.92 = 29,313.42 : x
  2. Step 2: Convert to fraction form
    76,724.19/114,966.92 = 29,313.42/x
  3. Step 3: Cross multiply
    76,724.19x = 114,966.92 × 29,313.42
  4. Step 4: Simplify right side
    76,724.19x = 3,370,073,465.50
  5. Step 5: Solve for x
    x = 3,370,073,465.50/76,724.19
  6. Step 6: Final answer
    x = 43,924.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.