Home / 89,260.48-133,806.53-30,054.75

Finding the Fourth Proportional to 89,260.48, 133,806.53 and 30,054.75

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Solution

The fourth proportional to 89,260.48, 133,806.53 and 30,054.75 is: 45,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,260.48 : 133,806.53 = 30,054.75 : x
  2. Step 2: Convert to fraction form
    89,260.48/133,806.53 = 30,054.75/x
  3. Step 3: Cross multiply
    89,260.48x = 133,806.53 × 30,054.75
  4. Step 4: Simplify right side
    89,260.48x = 4,021,521,380.88
  5. Step 5: Solve for x
    x = 4,021,521,380.88/89,260.48
  6. Step 6: Final answer
    x = 45,053.77

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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.