Home / 63,629.16-87,767.86-39,089.22

Finding the Fourth Proportional to 63,629.16, 87,767.86 and 39,089.22

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Solution

The fourth proportional to 63,629.16, 87,767.86 and 39,089.22 is: 53,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,629.16 : 87,767.86 = 39,089.22 : x
  2. Step 2: Convert to fraction form
    63,629.16/87,767.86 = 39,089.22/x
  3. Step 3: Cross multiply
    63,629.16x = 87,767.86 × 39,089.22
  4. Step 4: Simplify right side
    63,629.16x = 3,430,777,188.47
  5. Step 5: Solve for x
    x = 3,430,777,188.47/63,629.16
  6. Step 6: Final answer
    x = 53,918.32

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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.