Home / 57,089.11-85,641.86-17,649.30

Finding the Fourth Proportional to 57,089.11, 85,641.86 and 17,649.30

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Solution

The fourth proportional to 57,089.11, 85,641.86 and 17,649.30 is: 26,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.11 : 85,641.86 = 17,649.30 : x
  2. Step 2: Convert to fraction form
    57,089.11/85,641.86 = 17,649.30/x
  3. Step 3: Cross multiply
    57,089.11x = 85,641.86 × 17,649.30
  4. Step 4: Simplify right side
    57,089.11x = 1,511,518,879.70
  5. Step 5: Solve for x
    x = 1,511,518,879.70/57,089.11
  6. Step 6: Final answer
    x = 26,476.48

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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.