Home / 76,333.32-114,463.62-28,286.28

Finding the Fourth Proportional to 76,333.32, 114,463.62 and 28,286.28

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Solution

The fourth proportional to 76,333.32, 114,463.62 and 28,286.28 is: 42,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,333.32 : 114,463.62 = 28,286.28 : x
  2. Step 2: Convert to fraction form
    76,333.32/114,463.62 = 28,286.28/x
  3. Step 3: Cross multiply
    76,333.32x = 114,463.62 × 28,286.28
  4. Step 4: Simplify right side
    76,333.32x = 3,237,750,005.13
  5. Step 5: Solve for x
    x = 3,237,750,005.13/76,333.32
  6. Step 6: Final answer
    x = 42,415.95

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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.