Home / 74,852.57-103,313.91-49,363.53

Finding the Fourth Proportional to 74,852.57, 103,313.91 and 49,363.53

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Solution

The fourth proportional to 74,852.57, 103,313.91 and 49,363.53 is: 68,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,852.57 : 103,313.91 = 49,363.53 : x
  2. Step 2: Convert to fraction form
    74,852.57/103,313.91 = 49,363.53/x
  3. Step 3: Cross multiply
    74,852.57x = 103,313.91 × 49,363.53
  4. Step 4: Simplify right side
    74,852.57x = 5,099,939,553.99
  5. Step 5: Solve for x
    x = 5,099,939,553.99/74,852.57
  6. Step 6: Final answer
    x = 68,133.13

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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.