Home / 76,281.44-114,433.08-28,883.76

Finding the Fourth Proportional to 76,281.44, 114,433.08 and 28,883.76

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Solution

The fourth proportional to 76,281.44, 114,433.08 and 28,883.76 is: 43,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,281.44 : 114,433.08 = 28,883.76 : x
  2. Step 2: Convert to fraction form
    76,281.44/114,433.08 = 28,883.76/x
  3. Step 3: Cross multiply
    76,281.44x = 114,433.08 × 28,883.76
  4. Step 4: Simplify right side
    76,281.44x = 3,305,257,618.78
  5. Step 5: Solve for x
    x = 3,305,257,618.78/76,281.44
  6. Step 6: Final answer
    x = 43,329.77

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1.5x scale

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.