Home / 64,883.09-97,316.22-20,514.32

Finding the Fourth Proportional to 64,883.09, 97,316.22 and 20,514.32

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Solution

The fourth proportional to 64,883.09, 97,316.22 and 20,514.32 is: 30,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.09 : 97,316.22 = 20,514.32 : x
  2. Step 2: Convert to fraction form
    64,883.09/97,316.22 = 20,514.32/x
  3. Step 3: Cross multiply
    64,883.09x = 97,316.22 × 20,514.32
  4. Step 4: Simplify right side
    64,883.09x = 1,996,376,078.27
  5. Step 5: Solve for x
    x = 1,996,376,078.27/64,883.09
  6. Step 6: Final answer
    x = 30,768.82

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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.