Home / 57,434.10-86,063.22-38,644.54

Finding the Fourth Proportional to 57,434.10, 86,063.22 and 38,644.54

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Solution

The fourth proportional to 57,434.10, 86,063.22 and 38,644.54 is: 57,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.10 : 86,063.22 = 38,644.54 : x
  2. Step 2: Convert to fraction form
    57,434.10/86,063.22 = 38,644.54/x
  3. Step 3: Cross multiply
    57,434.10x = 86,063.22 × 38,644.54
  4. Step 4: Simplify right side
    57,434.10x = 3,325,873,547.82
  5. Step 5: Solve for x
    x = 3,325,873,547.82/57,434.10
  6. Step 6: Final answer
    x = 57,907.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.