Home / 53,874.21-74,346.42-31,226.34

Finding the Fourth Proportional to 53,874.21, 74,346.42 and 31,226.34

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Solution

The fourth proportional to 53,874.21, 74,346.42 and 31,226.34 is: 43,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,874.21 : 74,346.42 = 31,226.34 : x
  2. Step 2: Convert to fraction form
    53,874.21/74,346.42 = 31,226.34/x
  3. Step 3: Cross multiply
    53,874.21x = 74,346.42 × 31,226.34
  4. Step 4: Simplify right side
    53,874.21x = 2,321,566,984.60
  5. Step 5: Solve for x
    x = 2,321,566,984.60/53,874.21
  6. Step 6: Final answer
    x = 43,092.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.