Home / 101,167.86-151,723.09-30,087.63

Finding the Fourth Proportional to 101,167.86, 151,723.09 and 30,087.63

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Solution

The fourth proportional to 101,167.86, 151,723.09 and 30,087.63 is: 45,122.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.86 : 151,723.09 = 30,087.63 : x
  2. Step 2: Convert to fraction form
    101,167.86/151,723.09 = 30,087.63/x
  3. Step 3: Cross multiply
    101,167.86x = 151,723.09 × 30,087.63
  4. Step 4: Simplify right side
    101,167.86x = 4,564,988,194.38
  5. Step 5: Solve for x
    x = 4,564,988,194.38/101,167.86
  6. Step 6: Final answer
    x = 45,122.91

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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.