Home / 85,092.50-117,427.66-47,369.18

Finding the Fourth Proportional to 85,092.50, 117,427.66 and 47,369.18

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Solution

The fourth proportional to 85,092.50, 117,427.66 and 47,369.18 is: 65,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.50 : 117,427.66 = 47,369.18 : x
  2. Step 2: Convert to fraction form
    85,092.50/117,427.66 = 47,369.18/x
  3. Step 3: Cross multiply
    85,092.50x = 117,427.66 × 47,369.18
  4. Step 4: Simplify right side
    85,092.50x = 5,562,451,963.52
  5. Step 5: Solve for x
    x = 5,562,451,963.52/85,092.50
  6. Step 6: Final answer
    x = 65,369.47

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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.