Home / 85,346.32-117,749.28-49,523.44

Finding the Fourth Proportional to 85,346.32, 117,749.28 and 49,523.44

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Solution

The fourth proportional to 85,346.32, 117,749.28 and 49,523.44 is: 68,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,346.32 : 117,749.28 = 49,523.44 : x
  2. Step 2: Convert to fraction form
    85,346.32/117,749.28 = 49,523.44/x
  3. Step 3: Cross multiply
    85,346.32x = 117,749.28 × 49,523.44
  4. Step 4: Simplify right side
    85,346.32x = 5,831,349,403.12
  5. Step 5: Solve for x
    x = 5,831,349,403.12/85,346.32
  6. Step 6: Final answer
    x = 68,325.73

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1.5x scale

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.