Home / 74,828.21-111,580.74-74,161.17

Finding the Fourth Proportional to 74,828.21, 111,580.74 and 74,161.17

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Solution

The fourth proportional to 74,828.21, 111,580.74 and 74,161.17 is: 110,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828.21 : 111,580.74 = 74,161.17 : x
  2. Step 2: Convert to fraction form
    74,828.21/111,580.74 = 74,161.17/x
  3. Step 3: Cross multiply
    74,828.21x = 111,580.74 × 74,161.17
  4. Step 4: Simplify right side
    74,828.21x = 8,274,958,227.87
  5. Step 5: Solve for x
    x = 8,274,958,227.87/74,828.21
  6. Step 6: Final answer
    x = 110,586.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.