Home / 57,353.51-86,042.24-28,906.45

Finding the Fourth Proportional to 57,353.51, 86,042.24 and 28,906.45

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Solution

The fourth proportional to 57,353.51, 86,042.24 and 28,906.45 is: 43,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,353.51 : 86,042.24 = 28,906.45 : x
  2. Step 2: Convert to fraction form
    57,353.51/86,042.24 = 28,906.45/x
  3. Step 3: Cross multiply
    57,353.51x = 86,042.24 × 28,906.45
  4. Step 4: Simplify right side
    57,353.51x = 2,487,175,708.45
  5. Step 5: Solve for x
    x = 2,487,175,708.45/57,353.51
  6. Step 6: Final answer
    x = 43,365.71

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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.