Home / 100,019.09-150,087.56-36,883.64

Finding the Fourth Proportional to 100,019.09, 150,087.56 and 36,883.64

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Solution

The fourth proportional to 100,019.09, 150,087.56 and 36,883.64 is: 55,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,019.09 : 150,087.56 = 36,883.64 : x
  2. Step 2: Convert to fraction form
    100,019.09/150,087.56 = 36,883.64/x
  3. Step 3: Cross multiply
    100,019.09x = 150,087.56 × 36,883.64
  4. Step 4: Simplify right side
    100,019.09x = 5,535,774,596.66
  5. Step 5: Solve for x
    x = 5,535,774,596.66/100,019.09
  6. Step 6: Final answer
    x = 55,347.18

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1.5x scale

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.