Home / 56,671.90-85,012.60-17,229.35

Finding the Fourth Proportional to 56,671.90, 85,012.60 and 17,229.35

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Solution

The fourth proportional to 56,671.90, 85,012.60 and 17,229.35 is: 25,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.90 : 85,012.60 = 17,229.35 : x
  2. Step 2: Convert to fraction form
    56,671.90/85,012.60 = 17,229.35/x
  3. Step 3: Cross multiply
    56,671.90x = 85,012.60 × 17,229.35
  4. Step 4: Simplify right side
    56,671.90x = 1,464,712,009.27
  5. Step 5: Solve for x
    x = 1,464,712,009.27/56,671.90
  6. Step 6: Final answer
    x = 25,845.47

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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.