Home / 89,664.81-134,458.32-30,484.59

Finding the Fourth Proportional to 89,664.81, 134,458.32 and 30,484.59

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Solution

The fourth proportional to 89,664.81, 134,458.32 and 30,484.59 is: 45,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,664.81 : 134,458.32 = 30,484.59 : x
  2. Step 2: Convert to fraction form
    89,664.81/134,458.32 = 30,484.59/x
  3. Step 3: Cross multiply
    89,664.81x = 134,458.32 × 30,484.59
  4. Step 4: Simplify right side
    89,664.81x = 4,098,906,757.29
  5. Step 5: Solve for x
    x = 4,098,906,757.29/89,664.81
  6. Step 6: Final answer
    x = 45,713.66

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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.