Home / 100,890.70-151,325.52-44,731.78

Finding the Fourth Proportional to 100,890.70, 151,325.52 and 44,731.78

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Solution

The fourth proportional to 100,890.70, 151,325.52 and 44,731.78 is: 67,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,890.70 : 151,325.52 = 44,731.78 : x
  2. Step 2: Convert to fraction form
    100,890.70/151,325.52 = 44,731.78/x
  3. Step 3: Cross multiply
    100,890.70x = 151,325.52 × 44,731.78
  4. Step 4: Simplify right side
    100,890.70x = 6,769,059,322.97
  5. Step 5: Solve for x
    x = 6,769,059,322.97/100,890.70
  6. Step 6: Final answer
    x = 67,093.00

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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.