Home / 89,509.19-134,324.15-36,917.51

Finding the Fourth Proportional to 89,509.19, 134,324.15 and 36,917.51

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Solution

The fourth proportional to 89,509.19, 134,324.15 and 36,917.51 is: 55,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,509.19 : 134,324.15 = 36,917.51 : x
  2. Step 2: Convert to fraction form
    89,509.19/134,324.15 = 36,917.51/x
  3. Step 3: Cross multiply
    89,509.19x = 134,324.15 × 36,917.51
  4. Step 4: Simplify right side
    89,509.19x = 4,958,912,294.66
  5. Step 5: Solve for x
    x = 4,958,912,294.66/89,509.19
  6. Step 6: Final answer
    x = 55,401.16

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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.