Home / 113,906.49-157,187.81-62,918.41

Finding the Fourth Proportional to 113,906.49, 157,187.81 and 62,918.41

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Solution

The fourth proportional to 113,906.49, 157,187.81 and 62,918.41 is: 86,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,906.49 : 157,187.81 = 62,918.41 : x
  2. Step 2: Convert to fraction form
    113,906.49/157,187.81 = 62,918.41/x
  3. Step 3: Cross multiply
    113,906.49x = 157,187.81 × 62,918.41
  4. Step 4: Simplify right side
    113,906.49x = 9,890,006,761.99
  5. Step 5: Solve for x
    x = 9,890,006,761.99/113,906.49
  6. Step 6: Final answer
    x = 86,825.67

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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.