Home / 57,208.28-85,673.90-29,054.30

Finding the Fourth Proportional to 57,208.28, 85,673.90 and 29,054.30

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Solution

The fourth proportional to 57,208.28, 85,673.90 and 29,054.30 is: 43,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,208.28 : 85,673.90 = 29,054.30 : x
  2. Step 2: Convert to fraction form
    57,208.28/85,673.90 = 29,054.30/x
  3. Step 3: Cross multiply
    57,208.28x = 85,673.90 × 29,054.30
  4. Step 4: Simplify right side
    57,208.28x = 2,489,194,837.04
  5. Step 5: Solve for x
    x = 2,489,194,837.04/57,208.28
  6. Step 6: Final answer
    x = 43,511.10

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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.