Home / 89,323.36-133,894.24-39,430.56

Finding the Fourth Proportional to 89,323.36, 133,894.24 and 39,430.56

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Solution

The fourth proportional to 89,323.36, 133,894.24 and 39,430.56 is: 59,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,323.36 : 133,894.24 = 39,430.56 : x
  2. Step 2: Convert to fraction form
    89,323.36/133,894.24 = 39,430.56/x
  3. Step 3: Cross multiply
    89,323.36x = 133,894.24 × 39,430.56
  4. Step 4: Simplify right side
    89,323.36x = 5,279,524,863.97
  5. Step 5: Solve for x
    x = 5,279,524,863.97/89,323.36
  6. Step 6: Final answer
    x = 59,105.76

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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.