Home / 71,566.69-98,599.56-55,378.33

Finding the Fourth Proportional to 71,566.69, 98,599.56 and 55,378.33

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Solution

The fourth proportional to 71,566.69, 98,599.56 and 55,378.33 is: 76,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.69 : 98,599.56 = 55,378.33 : x
  2. Step 2: Convert to fraction form
    71,566.69/98,599.56 = 55,378.33/x
  3. Step 3: Cross multiply
    71,566.69x = 98,599.56 × 55,378.33
  4. Step 4: Simplify right side
    71,566.69x = 5,460,278,971.53
  5. Step 5: Solve for x
    x = 5,460,278,971.53/71,566.69
  6. Step 6: Final answer
    x = 76,296.37

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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.