Home / 80,390.07-120,603.33-27,800.01

Finding the Fourth Proportional to 80,390.07, 120,603.33 and 27,800.01

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Solution

The fourth proportional to 80,390.07, 120,603.33 and 27,800.01 is: 41,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,390.07 : 120,603.33 = 27,800.01 : x
  2. Step 2: Convert to fraction form
    80,390.07/120,603.33 = 27,800.01/x
  3. Step 3: Cross multiply
    80,390.07x = 120,603.33 × 27,800.01
  4. Step 4: Simplify right side
    80,390.07x = 3,352,773,780.03
  5. Step 5: Solve for x
    x = 3,352,773,780.03/80,390.07
  6. Step 6: Final answer
    x = 41,706.32

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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.