Home / 83,690.83-125,536.14-21,361.33

Finding the Fourth Proportional to 83,690.83, 125,536.14 and 21,361.33

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Solution

The fourth proportional to 83,690.83, 125,536.14 and 21,361.33 is: 32,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690.83 : 125,536.14 = 21,361.33 : x
  2. Step 2: Convert to fraction form
    83,690.83/125,536.14 = 21,361.33/x
  3. Step 3: Cross multiply
    83,690.83x = 125,536.14 × 21,361.33
  4. Step 4: Simplify right side
    83,690.83x = 2,681,618,913.47
  5. Step 5: Solve for x
    x = 2,681,618,913.47/83,690.83
  6. Step 6: Final answer
    x = 32,041.97

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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.