Home / 57,298.44-79,070.61-31,803.31

Finding the Fourth Proportional to 57,298.44, 79,070.61 and 31,803.31

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Solution

The fourth proportional to 57,298.44, 79,070.61 and 31,803.31 is: 43,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.44 : 79,070.61 = 31,803.31 : x
  2. Step 2: Convert to fraction form
    57,298.44/79,070.61 = 31,803.31/x
  3. Step 3: Cross multiply
    57,298.44x = 79,070.61 × 31,803.31
  4. Step 4: Simplify right side
    57,298.44x = 2,514,707,121.72
  5. Step 5: Solve for x
    x = 2,514,707,121.72/57,298.44
  6. Step 6: Final answer
    x = 43,887.88

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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.