Home / 100,702.22-151,043.52-30,582.14

Finding the Fourth Proportional to 100,702.22, 151,043.52 and 30,582.14

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Solution

The fourth proportional to 100,702.22, 151,043.52 and 30,582.14 is: 45,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,702.22 : 151,043.52 = 30,582.14 : x
  2. Step 2: Convert to fraction form
    100,702.22/151,043.52 = 30,582.14/x
  3. Step 3: Cross multiply
    100,702.22x = 151,043.52 × 30,582.14
  4. Step 4: Simplify right side
    100,702.22x = 4,619,234,074.73
  5. Step 5: Solve for x
    x = 4,619,234,074.73/100,702.22
  6. Step 6: Final answer
    x = 45,870.23

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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.