Home / 100,793.13-151,211.56-30,670.62

Finding the Fourth Proportional to 100,793.13, 151,211.56 and 30,670.62

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Solution

The fourth proportional to 100,793.13, 151,211.56 and 30,670.62 is: 46,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,793.13 : 151,211.56 = 30,670.62 : x
  2. Step 2: Convert to fraction form
    100,793.13/151,211.56 = 30,670.62/x
  3. Step 3: Cross multiply
    100,793.13x = 151,211.56 × 30,670.62
  4. Step 4: Simplify right side
    100,793.13x = 4,637,752,296.37
  5. Step 5: Solve for x
    x = 4,637,752,296.37/100,793.13
  6. Step 6: Final answer
    x = 46,012.58

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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.