Home / 76,433.06-114,624.20-36,429.66

Finding the Fourth Proportional to 76,433.06, 114,624.20 and 36,429.66

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Solution

The fourth proportional to 76,433.06, 114,624.20 and 36,429.66 is: 54,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,433.06 : 114,624.20 = 36,429.66 : x
  2. Step 2: Convert to fraction form
    76,433.06/114,624.20 = 36,429.66/x
  3. Step 3: Cross multiply
    76,433.06x = 114,624.20 × 36,429.66
  4. Step 4: Simplify right side
    76,433.06x = 4,175,720,451.62
  5. Step 5: Solve for x
    x = 4,175,720,451.62/76,433.06
  6. Step 6: Final answer
    x = 54,632.39

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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.