Home / 98,436.14-135,829.68-55,410.38

Finding the Fourth Proportional to 98,436.14, 135,829.68 and 55,410.38

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Solution

The fourth proportional to 98,436.14, 135,829.68 and 55,410.38 is: 76,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,436.14 : 135,829.68 = 55,410.38 : x
  2. Step 2: Convert to fraction form
    98,436.14/135,829.68 = 55,410.38/x
  3. Step 3: Cross multiply
    98,436.14x = 135,829.68 × 55,410.38
  4. Step 4: Simplify right side
    98,436.14x = 7,526,374,184.08
  5. Step 5: Solve for x
    x = 7,526,374,184.08/98,436.14
  6. Step 6: Final answer
    x = 76,459.46

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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.