Home / 76,529.40-114,816.78-36,578.28

Finding the Fourth Proportional to 76,529.40, 114,816.78 and 36,578.28

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Solution

The fourth proportional to 76,529.40, 114,816.78 and 36,578.28 is: 54,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,529.40 : 114,816.78 = 36,578.28 : x
  2. Step 2: Convert to fraction form
    76,529.40/114,816.78 = 36,578.28/x
  3. Step 3: Cross multiply
    76,529.40x = 114,816.78 × 36,578.28
  4. Step 4: Simplify right side
    76,529.40x = 4,199,800,327.54
  5. Step 5: Solve for x
    x = 4,199,800,327.54/76,529.40
  6. Step 6: Final answer
    x = 54,878.26

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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.