Home / 89,119.86-133,657.92-39,212.52

Finding the Fourth Proportional to 89,119.86, 133,657.92 and 39,212.52

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Solution

The fourth proportional to 89,119.86, 133,657.92 and 39,212.52 is: 58,809.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119.86 : 133,657.92 = 39,212.52 : x
  2. Step 2: Convert to fraction form
    89,119.86/133,657.92 = 39,212.52/x
  3. Step 3: Cross multiply
    89,119.86x = 133,657.92 × 39,212.52
  4. Step 4: Simplify right side
    89,119.86x = 5,241,063,861.16
  5. Step 5: Solve for x
    x = 5,241,063,861.16/89,119.86
  6. Step 6: Final answer
    x = 58,809.16

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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.