Home / 74,334.48-102,673.08-55,555.44

Finding the Fourth Proportional to 74,334.48, 102,673.08 and 55,555.44

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Solution

The fourth proportional to 74,334.48, 102,673.08 and 55,555.44 is: 76,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,334.48 : 102,673.08 = 55,555.44 : x
  2. Step 2: Convert to fraction form
    74,334.48/102,673.08 = 55,555.44/x
  3. Step 3: Cross multiply
    74,334.48x = 102,673.08 × 55,555.44
  4. Step 4: Simplify right side
    74,334.48x = 5,704,048,135.56
  5. Step 5: Solve for x
    x = 5,704,048,135.56/74,334.48
  6. Step 6: Final answer
    x = 76,734.89

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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.