Home / 85,225.50-117,611.30-51,234.36

Finding the Fourth Proportional to 85,225.50, 117,611.30 and 51,234.36

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Solution

The fourth proportional to 85,225.50, 117,611.30 and 51,234.36 is: 70,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,225.50 : 117,611.30 = 51,234.36 : x
  2. Step 2: Convert to fraction form
    85,225.50/117,611.30 = 51,234.36/x
  3. Step 3: Cross multiply
    85,225.50x = 117,611.30 × 51,234.36
  4. Step 4: Simplify right side
    85,225.50x = 6,025,739,684.27
  5. Step 5: Solve for x
    x = 6,025,739,684.27/85,225.50
  6. Step 6: Final answer
    x = 70,703.48

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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.