Home / 75,026.19-112,556.79-21,716.04

Finding the Fourth Proportional to 75,026.19, 112,556.79 and 21,716.04

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Solution

The fourth proportional to 75,026.19, 112,556.79 and 21,716.04 is: 32,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,026.19 : 112,556.79 = 21,716.04 : x
  2. Step 2: Convert to fraction form
    75,026.19/112,556.79 = 21,716.04/x
  3. Step 3: Cross multiply
    75,026.19x = 112,556.79 × 21,716.04
  4. Step 4: Simplify right side
    75,026.19x = 2,444,287,753.91
  5. Step 5: Solve for x
    x = 2,444,287,753.91/75,026.19
  6. Step 6: Final answer
    x = 32,579.13

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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.