Home / 74,220.75-111,329.49-18,061.23

Finding the Fourth Proportional to 74,220.75, 111,329.49 and 18,061.23

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Solution

The fourth proportional to 74,220.75, 111,329.49 and 18,061.23 is: 27,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220.75 : 111,329.49 = 18,061.23 : x
  2. Step 2: Convert to fraction form
    74,220.75/111,329.49 = 18,061.23/x
  3. Step 3: Cross multiply
    74,220.75x = 111,329.49 × 18,061.23
  4. Step 4: Simplify right side
    74,220.75x = 2,010,747,524.67
  5. Step 5: Solve for x
    x = 2,010,747,524.67/74,220.75
  6. Step 6: Final answer
    x = 27,091.45

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1.5x scale

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.