Home / 74,718.28-111,999.66-27,950.92

Finding the Fourth Proportional to 74,718.28, 111,999.66 and 27,950.92

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Solution

The fourth proportional to 74,718.28, 111,999.66 and 27,950.92 is: 41,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.28 : 111,999.66 = 27,950.92 : x
  2. Step 2: Convert to fraction form
    74,718.28/111,999.66 = 27,950.92/x
  3. Step 3: Cross multiply
    74,718.28x = 111,999.66 × 27,950.92
  4. Step 4: Simplify right side
    74,718.28x = 3,130,493,536.69
  5. Step 5: Solve for x
    x = 3,130,493,536.69/74,718.28
  6. Step 6: Final answer
    x = 41,897.29

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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.