Home / 85,362.24-117,803.36-47,635.52

Finding the Fourth Proportional to 85,362.24, 117,803.36 and 47,635.52

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Solution

The fourth proportional to 85,362.24, 117,803.36 and 47,635.52 is: 65,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,362.24 : 117,803.36 = 47,635.52 : x
  2. Step 2: Convert to fraction form
    85,362.24/117,803.36 = 47,635.52/x
  3. Step 3: Cross multiply
    85,362.24x = 117,803.36 × 47,635.52
  4. Step 4: Simplify right side
    85,362.24x = 5,611,624,311.35
  5. Step 5: Solve for x
    x = 5,611,624,311.35/85,362.24
  6. Step 6: Final answer
    x = 65,738.95

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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.