Home / 57,297.81-79,067.34-31,804.68

Finding the Fourth Proportional to 57,297.81, 79,067.34 and 31,804.68

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Solution

The fourth proportional to 57,297.81, 79,067.34 and 31,804.68 is: 43,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.81 : 79,067.34 = 31,804.68 : x
  2. Step 2: Convert to fraction form
    57,297.81/79,067.34 = 31,804.68/x
  3. Step 3: Cross multiply
    57,297.81x = 79,067.34 × 31,804.68
  4. Step 4: Simplify right side
    57,297.81x = 2,514,711,447.15
  5. Step 5: Solve for x
    x = 2,514,711,447.15/57,297.81
  6. Step 6: Final answer
    x = 43,888.44

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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.