Home / 75,717.45-104,488.65-43,889.31

Finding the Fourth Proportional to 75,717.45, 104,488.65 and 43,889.31

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Solution

The fourth proportional to 75,717.45, 104,488.65 and 43,889.31 is: 60,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717.45 : 104,488.65 = 43,889.31 : x
  2. Step 2: Convert to fraction form
    75,717.45/104,488.65 = 43,889.31/x
  3. Step 3: Cross multiply
    75,717.45x = 104,488.65 × 43,889.31
  4. Step 4: Simplify right side
    75,717.45x = 4,585,934,751.33
  5. Step 5: Solve for x
    x = 4,585,934,751.33/75,717.45
  6. Step 6: Final answer
    x = 60,566.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.