Home / 79,020.87-118,522.18-19,852.04

Finding the Fourth Proportional to 79,020.87, 118,522.18 and 19,852.04

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Solution

The fourth proportional to 79,020.87, 118,522.18 and 19,852.04 is: 29,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.87 : 118,522.18 = 19,852.04 : x
  2. Step 2: Convert to fraction form
    79,020.87/118,522.18 = 19,852.04/x
  3. Step 3: Cross multiply
    79,020.87x = 118,522.18 × 19,852.04
  4. Step 4: Simplify right side
    79,020.87x = 2,352,907,058.25
  5. Step 5: Solve for x
    x = 2,352,907,058.25/79,020.87
  6. Step 6: Final answer
    x = 29,775.77

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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.