Home / 57,298.68-79,072.29-31,804.14

Finding the Fourth Proportional to 57,298.68, 79,072.29 and 31,804.14

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Solution

The fourth proportional to 57,298.68, 79,072.29 and 31,804.14 is: 43,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.68 : 79,072.29 = 31,804.14 : x
  2. Step 2: Convert to fraction form
    57,298.68/79,072.29 = 31,804.14/x
  3. Step 3: Cross multiply
    57,298.68x = 79,072.29 × 31,804.14
  4. Step 4: Simplify right side
    57,298.68x = 2,514,826,181.28
  5. Step 5: Solve for x
    x = 2,514,826,181.28/57,298.68
  6. Step 6: Final answer
    x = 43,889.78

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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.