Home / 100,897.05-151,365.51-29,820.96

Finding the Fourth Proportional to 100,897.05, 151,365.51 and 29,820.96

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Solution

The fourth proportional to 100,897.05, 151,365.51 and 29,820.96 is: 44,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897.05 : 151,365.51 = 29,820.96 : x
  2. Step 2: Convert to fraction form
    100,897.05/151,365.51 = 29,820.96/x
  3. Step 3: Cross multiply
    100,897.05x = 151,365.51 × 29,820.96
  4. Step 4: Simplify right side
    100,897.05x = 4,513,864,819.09
  5. Step 5: Solve for x
    x = 4,513,864,819.09/100,897.05
  6. Step 6: Final answer
    x = 44,737.33

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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.