Home / 89,211.30-133,817.06-30,042.02

Finding the Fourth Proportional to 89,211.30, 133,817.06 and 30,042.02

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Solution

The fourth proportional to 89,211.30, 133,817.06 and 30,042.02 is: 45,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,211.30 : 133,817.06 = 30,042.02 : x
  2. Step 2: Convert to fraction form
    89,211.30/133,817.06 = 30,042.02/x
  3. Step 3: Cross multiply
    89,211.30x = 133,817.06 × 30,042.02
  4. Step 4: Simplify right side
    89,211.30x = 4,020,134,792.86
  5. Step 5: Solve for x
    x = 4,020,134,792.86/89,211.30
  6. Step 6: Final answer
    x = 45,063.07

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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.