Home / 74,924.40-103,185.18-73,291.44

Finding the Fourth Proportional to 74,924.40, 103,185.18 and 73,291.44

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Solution

The fourth proportional to 74,924.40, 103,185.18 and 73,291.44 is: 100,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,924.40 : 103,185.18 = 73,291.44 : x
  2. Step 2: Convert to fraction form
    74,924.40/103,185.18 = 73,291.44/x
  3. Step 3: Cross multiply
    74,924.40x = 103,185.18 × 73,291.44
  4. Step 4: Simplify right side
    74,924.40x = 7,562,590,428.86
  5. Step 5: Solve for x
    x = 7,562,590,428.86/74,924.40
  6. Step 6: Final answer
    x = 100,936.28

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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.