Home / 89,736.21-134,617.07-30,581.51

Finding the Fourth Proportional to 89,736.21, 134,617.07 and 30,581.51

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Solution

The fourth proportional to 89,736.21, 134,617.07 and 30,581.51 is: 45,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.21 : 134,617.07 = 30,581.51 : x
  2. Step 2: Convert to fraction form
    89,736.21/134,617.07 = 30,581.51/x
  3. Step 3: Cross multiply
    89,736.21x = 134,617.07 × 30,581.51
  4. Step 4: Simplify right side
    89,736.21x = 4,116,792,675.74
  5. Step 5: Solve for x
    x = 4,116,792,675.74/89,736.21
  6. Step 6: Final answer
    x = 45,876.61

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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.