Home / 52,338.20-72,201.29-31,102.43

Finding the Fourth Proportional to 52,338.20, 72,201.29 and 31,102.43

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Solution

The fourth proportional to 52,338.20, 72,201.29 and 31,102.43 is: 42,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.20 : 72,201.29 = 31,102.43 : x
  2. Step 2: Convert to fraction form
    52,338.20/72,201.29 = 31,102.43/x
  3. Step 3: Cross multiply
    52,338.20x = 72,201.29 × 31,102.43
  4. Step 4: Simplify right side
    52,338.20x = 2,245,635,051.62
  5. Step 5: Solve for x
    x = 2,245,635,051.62/52,338.20
  6. Step 6: Final answer
    x = 42,906.24

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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.