Home / 69,899.52-104,865.84-30,463.68

Finding the Fourth Proportional to 69,899.52, 104,865.84 and 30,463.68

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Solution

The fourth proportional to 69,899.52, 104,865.84 and 30,463.68 is: 45,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.52 : 104,865.84 = 30,463.68 : x
  2. Step 2: Convert to fraction form
    69,899.52/104,865.84 = 30,463.68/x
  3. Step 3: Cross multiply
    69,899.52x = 104,865.84 × 30,463.68
  4. Step 4: Simplify right side
    69,899.52x = 3,194,599,392.69
  5. Step 5: Solve for x
    x = 3,194,599,392.69/69,899.52
  6. Step 6: Final answer
    x = 45,702.74

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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.