Home / 85,345.32-117,747.90-49,522.44

Finding the Fourth Proportional to 85,345.32, 117,747.90 and 49,522.44

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Solution

The fourth proportional to 85,345.32, 117,747.90 and 49,522.44 is: 68,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,345.32 : 117,747.90 = 49,522.44 : x
  2. Step 2: Convert to fraction form
    85,345.32/117,747.90 = 49,522.44/x
  3. Step 3: Cross multiply
    85,345.32x = 117,747.90 × 49,522.44
  4. Step 4: Simplify right side
    85,345.32x = 5,831,163,312.88
  5. Step 5: Solve for x
    x = 5,831,163,312.88/85,345.32
  6. Step 6: Final answer
    x = 68,324.35

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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.