Home / 54,255.48-74,868.93-30,054.81

Finding the Fourth Proportional to 54,255.48, 74,868.93 and 30,054.81

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Solution

The fourth proportional to 54,255.48, 74,868.93 and 30,054.81 is: 41,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.48 : 74,868.93 = 30,054.81 : x
  2. Step 2: Convert to fraction form
    54,255.48/74,868.93 = 30,054.81/x
  3. Step 3: Cross multiply
    54,255.48x = 74,868.93 × 30,054.81
  4. Step 4: Simplify right side
    54,255.48x = 2,250,171,199.63
  5. Step 5: Solve for x
    x = 2,250,171,199.63/54,255.48
  6. Step 6: Final answer
    x = 41,473.62

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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.