Home / 89,145.81-133,711.95-32,959.64

Finding the Fourth Proportional to 89,145.81, 133,711.95 and 32,959.64

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Solution

The fourth proportional to 89,145.81, 133,711.95 and 32,959.64 is: 49,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.81 : 133,711.95 = 32,959.64 : x
  2. Step 2: Convert to fraction form
    89,145.81/133,711.95 = 32,959.64/x
  3. Step 3: Cross multiply
    89,145.81x = 133,711.95 × 32,959.64
  4. Step 4: Simplify right side
    89,145.81x = 4,407,097,735.70
  5. Step 5: Solve for x
    x = 4,407,097,735.70/89,145.81
  6. Step 6: Final answer
    x = 49,436.96

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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.