Home / 98,467.25-135,885.62-56,028.51

Finding the Fourth Proportional to 98,467.25, 135,885.62 and 56,028.51

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Solution

The fourth proportional to 98,467.25, 135,885.62 and 56,028.51 is: 77,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,467.25 : 135,885.62 = 56,028.51 : x
  2. Step 2: Convert to fraction form
    98,467.25/135,885.62 = 56,028.51/x
  3. Step 3: Cross multiply
    98,467.25x = 135,885.62 × 56,028.51
  4. Step 4: Simplify right side
    98,467.25x = 7,613,468,643.94
  5. Step 5: Solve for x
    x = 7,613,468,643.94/98,467.25
  6. Step 6: Final answer
    x = 77,319.81

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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.