Home / 100,837.56-151,273.62-30,703.80

Finding the Fourth Proportional to 100,837.56, 151,273.62 and 30,703.80

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Solution

The fourth proportional to 100,837.56, 151,273.62 and 30,703.80 is: 46,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,837.56 : 151,273.62 = 30,703.80 : x
  2. Step 2: Convert to fraction form
    100,837.56/151,273.62 = 30,703.80/x
  3. Step 3: Cross multiply
    100,837.56x = 151,273.62 × 30,703.80
  4. Step 4: Simplify right side
    100,837.56x = 4,644,674,973.76
  5. Step 5: Solve for x
    x = 4,644,674,973.76/100,837.56
  6. Step 6: Final answer
    x = 46,060.96

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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.