Home / 54,135.84-74,707.20-30,262.44

Finding the Fourth Proportional to 54,135.84, 74,707.20 and 30,262.44

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Solution

The fourth proportional to 54,135.84, 74,707.20 and 30,262.44 is: 41,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.84 : 74,707.20 = 30,262.44 : x
  2. Step 2: Convert to fraction form
    54,135.84/74,707.20 = 30,262.44/x
  3. Step 3: Cross multiply
    54,135.84x = 74,707.20 × 30,262.44
  4. Step 4: Simplify right side
    54,135.84x = 2,260,822,157.57
  5. Step 5: Solve for x
    x = 2,260,822,157.57/54,135.84
  6. Step 6: Final answer
    x = 41,762.02

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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.