Home / 92,830.55-139,121.09-50,647.42

Finding the Fourth Proportional to 92,830.55, 139,121.09 and 50,647.42

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Solution

The fourth proportional to 92,830.55, 139,121.09 and 50,647.42 is: 75,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830.55 : 139,121.09 = 50,647.42 : x
  2. Step 2: Convert to fraction form
    92,830.55/139,121.09 = 50,647.42/x
  3. Step 3: Cross multiply
    92,830.55x = 139,121.09 × 50,647.42
  4. Step 4: Simplify right side
    92,830.55x = 7,046,124,276.09
  5. Step 5: Solve for x
    x = 7,046,124,276.09/92,830.55
  6. Step 6: Final answer
    x = 75,903.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.