Home / 74,377.44-111,567.07-21,787.99

Finding the Fourth Proportional to 74,377.44, 111,567.07 and 21,787.99

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Solution

The fourth proportional to 74,377.44, 111,567.07 and 21,787.99 is: 32,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,377.44 : 111,567.07 = 21,787.99 : x
  2. Step 2: Convert to fraction form
    74,377.44/111,567.07 = 21,787.99/x
  3. Step 3: Cross multiply
    74,377.44x = 111,567.07 × 21,787.99
  4. Step 4: Simplify right side
    74,377.44x = 2,430,821,953.81
  5. Step 5: Solve for x
    x = 2,430,821,953.81/74,377.44
  6. Step 6: Final answer
    x = 32,682.25

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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.