Home / 52,451.32-78,668.79-28,770.49

Finding the Fourth Proportional to 52,451.32, 78,668.79 and 28,770.49

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Solution

The fourth proportional to 52,451.32, 78,668.79 and 28,770.49 is: 43,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.32 : 78,668.79 = 28,770.49 : x
  2. Step 2: Convert to fraction form
    52,451.32/78,668.79 = 28,770.49/x
  3. Step 3: Cross multiply
    52,451.32x = 78,668.79 × 28,770.49
  4. Step 4: Simplify right side
    52,451.32x = 2,263,339,636.01
  5. Step 5: Solve for x
    x = 2,263,339,636.01/52,451.32
  6. Step 6: Final answer
    x = 43,151.24

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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.