Home / 76,052.80-113,979.57-36,531.28

Finding the Fourth Proportional to 76,052.80, 113,979.57 and 36,531.28

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Solution

The fourth proportional to 76,052.80, 113,979.57 and 36,531.28 is: 54,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,052.80 : 113,979.57 = 36,531.28 : x
  2. Step 2: Convert to fraction form
    76,052.80/113,979.57 = 36,531.28/x
  3. Step 3: Cross multiply
    76,052.80x = 113,979.57 × 36,531.28
  4. Step 4: Simplify right side
    76,052.80x = 4,163,819,585.95
  5. Step 5: Solve for x
    x = 4,163,819,585.95/76,052.80
  6. Step 6: Final answer
    x = 54,749.06

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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.