Home / 63,699.36-87,916.32-36,837.60

Finding the Fourth Proportional to 63,699.36, 87,916.32 and 36,837.60

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Solution

The fourth proportional to 63,699.36, 87,916.32 and 36,837.60 is: 50,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,699.36 : 87,916.32 = 36,837.60 : x
  2. Step 2: Convert to fraction form
    63,699.36/87,916.32 = 36,837.60/x
  3. Step 3: Cross multiply
    63,699.36x = 87,916.32 × 36,837.60
  4. Step 4: Simplify right side
    63,699.36x = 3,238,626,229.63
  5. Step 5: Solve for x
    x = 3,238,626,229.63/63,699.36
  6. Step 6: Final answer
    x = 50,842.37

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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.