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Finding the Fourth Proportional to 85,889.34, 118,527.45 and 47,647.73

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Solution

The fourth proportional to 85,889.34, 118,527.45 and 47,647.73 is: 65,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,889.34 : 118,527.45 = 47,647.73 : x
  2. Step 2: Convert to fraction form
    85,889.34/118,527.45 = 47,647.73/x
  3. Step 3: Cross multiply
    85,889.34x = 118,527.45 × 47,647.73
  4. Step 4: Simplify right side
    85,889.34x = 5,647,563,342.55
  5. Step 5: Solve for x
    x = 5,647,563,342.55/85,889.34
  6. Step 6: Final answer
    x = 65,753.95

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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.