Home / 100,260.08-150,377.16-47,702.96

Finding the Fourth Proportional to 100,260.08, 150,377.16 and 47,702.96

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Solution

The fourth proportional to 100,260.08, 150,377.16 and 47,702.96 is: 71,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,260.08 : 150,377.16 = 47,702.96 : x
  2. Step 2: Convert to fraction form
    100,260.08/150,377.16 = 47,702.96/x
  3. Step 3: Cross multiply
    100,260.08x = 150,377.16 × 47,702.96
  4. Step 4: Simplify right side
    100,260.08x = 7,173,435,648.39
  5. Step 5: Solve for x
    x = 7,173,435,648.39/100,260.08
  6. Step 6: Final answer
    x = 71,548.27

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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.