Home / 57,615.44-86,423.15-18,175.61

Finding the Fourth Proportional to 57,615.44, 86,423.15 and 18,175.61

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Solution

The fourth proportional to 57,615.44, 86,423.15 and 18,175.61 is: 27,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.44 : 86,423.15 = 18,175.61 : x
  2. Step 2: Convert to fraction form
    57,615.44/86,423.15 = 18,175.61/x
  3. Step 3: Cross multiply
    57,615.44x = 86,423.15 × 18,175.61
  4. Step 4: Simplify right side
    57,615.44x = 1,570,793,730.87
  5. Step 5: Solve for x
    x = 1,570,793,730.87/57,615.44
  6. Step 6: Final answer
    x = 27,263.42

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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.