Home / 71,593.09-98,809.23-51,516.43

Finding the Fourth Proportional to 71,593.09, 98,809.23 and 51,516.43

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Solution

The fourth proportional to 71,593.09, 98,809.23 and 51,516.43 is: 71,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.09 : 98,809.23 = 51,516.43 : x
  2. Step 2: Convert to fraction form
    71,593.09/98,809.23 = 51,516.43/x
  3. Step 3: Cross multiply
    71,593.09x = 98,809.23 × 51,516.43
  4. Step 4: Simplify right side
    71,593.09x = 5,090,298,726.81
  5. Step 5: Solve for x
    x = 5,090,298,726.81/71,593.09
  6. Step 6: Final answer
    x = 71,100.42

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1.5x scale

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.