Home / 74,220.93-111,331.62-18,061.05

Finding the Fourth Proportional to 74,220.93, 111,331.62 and 18,061.05

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Solution

The fourth proportional to 74,220.93, 111,331.62 and 18,061.05 is: 27,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,220.93 : 111,331.62 = 18,061.05 : x
  2. Step 2: Convert to fraction form
    74,220.93/111,331.62 = 18,061.05/x
  3. Step 3: Cross multiply
    74,220.93x = 111,331.62 × 18,061.05
  4. Step 4: Simplify right side
    74,220.93x = 2,010,765,537.91
  5. Step 5: Solve for x
    x = 2,010,765,537.91/74,220.93
  6. Step 6: Final answer
    x = 27,091.62

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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.