Home / 97,883.32-135,105.66-57,610

Finding the Fourth Proportional to 97,883.32, 135,105.66 and 57,610

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Solution

The fourth proportional to 97,883.32, 135,105.66 and 57,610 is: 79,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,883.32 : 135,105.66 = 57,610 : x
  2. Step 2: Convert to fraction form
    97,883.32/135,105.66 = 57,610/x
  3. Step 3: Cross multiply
    97,883.32x = 135,105.66 × 57,610
  4. Step 4: Simplify right side
    97,883.32x = 7,783,437,072.60
  5. Step 5: Solve for x
    x = 7,783,437,072.60/97,883.32
  6. Step 6: Final answer
    x = 79,517.50

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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.