Home / 74,028.24-102,161.52-40,494.24

Finding the Fourth Proportional to 74,028.24, 102,161.52 and 40,494.24

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Solution

The fourth proportional to 74,028.24, 102,161.52 and 40,494.24 is: 55,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,028.24 : 102,161.52 = 40,494.24 : x
  2. Step 2: Convert to fraction form
    74,028.24/102,161.52 = 40,494.24/x
  3. Step 3: Cross multiply
    74,028.24x = 102,161.52 × 40,494.24
  4. Step 4: Simplify right side
    74,028.24x = 4,136,953,109.64
  5. Step 5: Solve for x
    x = 4,136,953,109.64/74,028.24
  6. Step 6: Final answer
    x = 55,883.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.