Home / 97,406.39-134,419.49-54,386.54

Finding the Fourth Proportional to 97,406.39, 134,419.49 and 54,386.54

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Solution

The fourth proportional to 97,406.39, 134,419.49 and 54,386.54 is: 75,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,406.39 : 134,419.49 = 54,386.54 : x
  2. Step 2: Convert to fraction form
    97,406.39/134,419.49 = 54,386.54/x
  3. Step 3: Cross multiply
    97,406.39x = 134,419.49 × 54,386.54
  4. Step 4: Simplify right side
    97,406.39x = 7,310,610,297.57
  5. Step 5: Solve for x
    x = 7,310,610,297.57/97,406.39
  6. Step 6: Final answer
    x = 75,052.68

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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.