Home / 77,917.65-116,802.49-25,290.33

Finding the Fourth Proportional to 77,917.65, 116,802.49 and 25,290.33

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Solution

The fourth proportional to 77,917.65, 116,802.49 and 25,290.33 is: 37,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,917.65 : 116,802.49 = 25,290.33 : x
  2. Step 2: Convert to fraction form
    77,917.65/116,802.49 = 25,290.33/x
  3. Step 3: Cross multiply
    77,917.65x = 116,802.49 × 25,290.33
  4. Step 4: Simplify right side
    77,917.65x = 2,953,973,516.92
  5. Step 5: Solve for x
    x = 2,953,973,516.92/77,917.65
  6. Step 6: Final answer
    x = 37,911.48

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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.