Home / 89,270.96-133,941.30-39,315.96

Finding the Fourth Proportional to 89,270.96, 133,941.30 and 39,315.96

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Solution

The fourth proportional to 89,270.96, 133,941.30 and 39,315.96 is: 58,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.96 : 133,941.30 = 39,315.96 : x
  2. Step 2: Convert to fraction form
    89,270.96/133,941.30 = 39,315.96/x
  3. Step 3: Cross multiply
    89,270.96x = 133,941.30 × 39,315.96
  4. Step 4: Simplify right side
    89,270.96x = 5,266,030,793.15
  5. Step 5: Solve for x
    x = 5,266,030,793.15/89,270.96
  6. Step 6: Final answer
    x = 58,989.29

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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.