Home / 60,845.13-91,272.51-21,411.09

Finding the Fourth Proportional to 60,845.13, 91,272.51 and 21,411.09

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Solution

The fourth proportional to 60,845.13, 91,272.51 and 21,411.09 is: 32,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,845.13 : 91,272.51 = 21,411.09 : x
  2. Step 2: Convert to fraction form
    60,845.13/91,272.51 = 21,411.09/x
  3. Step 3: Cross multiply
    60,845.13x = 91,272.51 × 21,411.09
  4. Step 4: Simplify right side
    60,845.13x = 1,954,243,926.14
  5. Step 5: Solve for x
    x = 1,954,243,926.14/60,845.13
  6. Step 6: Final answer
    x = 32,118.33

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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.