Home / 52,025.68-78,042.05-18,287.60

Finding the Fourth Proportional to 52,025.68, 78,042.05 and 18,287.60

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Solution

The fourth proportional to 52,025.68, 78,042.05 and 18,287.60 is: 27,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,025.68 : 78,042.05 = 18,287.60 : x
  2. Step 2: Convert to fraction form
    52,025.68/78,042.05 = 18,287.60/x
  3. Step 3: Cross multiply
    52,025.68x = 78,042.05 × 18,287.60
  4. Step 4: Simplify right side
    52,025.68x = 1,427,201,793.58
  5. Step 5: Solve for x
    x = 1,427,201,793.58/52,025.68
  6. Step 6: Final answer
    x = 27,432.64

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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.