Home / 76,451.47-114,673.52-25,847.12

Finding the Fourth Proportional to 76,451.47, 114,673.52 and 25,847.12

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Solution

The fourth proportional to 76,451.47, 114,673.52 and 25,847.12 is: 38,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,451.47 : 114,673.52 = 25,847.12 : x
  2. Step 2: Convert to fraction form
    76,451.47/114,673.52 = 25,847.12/x
  3. Step 3: Cross multiply
    76,451.47x = 114,673.52 × 25,847.12
  4. Step 4: Simplify right side
    76,451.47x = 2,963,980,583.56
  5. Step 5: Solve for x
    x = 2,963,980,583.56/76,451.47
  6. Step 6: Final answer
    x = 38,769.44

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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.