Home / 116,465.21-174,738.82-57,342.40

Finding the Fourth Proportional to 116,465.21, 174,738.82 and 57,342.40

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Solution

The fourth proportional to 116,465.21, 174,738.82 and 57,342.40 is: 86,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,465.21 : 174,738.82 = 57,342.40 : x
  2. Step 2: Convert to fraction form
    116,465.21/174,738.82 = 57,342.40/x
  3. Step 3: Cross multiply
    116,465.21x = 174,738.82 × 57,342.40
  4. Step 4: Simplify right side
    116,465.21x = 10,019,942,839.28
  5. Step 5: Solve for x
    x = 10,019,942,839.28/116,465.21
  6. Step 6: Final answer
    x = 86,033.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.