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Finding the Fourth Proportional to 64,573.09, 89,110.26 and 35,892.01

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Solution

The fourth proportional to 64,573.09, 89,110.26 and 35,892.01 is: 49,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,573.09 : 89,110.26 = 35,892.01 : x
  2. Step 2: Convert to fraction form
    64,573.09/89,110.26 = 35,892.01/x
  3. Step 3: Cross multiply
    64,573.09x = 89,110.26 × 35,892.01
  4. Step 4: Simplify right side
    64,573.09x = 3,198,346,343.02
  5. Step 5: Solve for x
    x = 3,198,346,343.02/64,573.09
  6. Step 6: Final answer
    x = 49,530.64

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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.