Home / 71,593.47-98,809.75-51,516.81

Finding the Fourth Proportional to 71,593.47, 98,809.75 and 51,516.81

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Solution

The fourth proportional to 71,593.47, 98,809.75 and 51,516.81 is: 71,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.47 : 98,809.75 = 51,516.81 : x
  2. Step 2: Convert to fraction form
    71,593.47/98,809.75 = 51,516.81/x
  3. Step 3: Cross multiply
    71,593.47x = 98,809.75 × 51,516.81
  4. Step 4: Simplify right side
    71,593.47x = 5,090,362,622.85
  5. Step 5: Solve for x
    x = 5,090,362,622.85/71,593.47
  6. Step 6: Final answer
    x = 71,100.94

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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.