Home / 54,175.81-74,762.78-30,300.93

Finding the Fourth Proportional to 54,175.81, 74,762.78 and 30,300.93

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Solution

The fourth proportional to 54,175.81, 74,762.78 and 30,300.93 is: 41,815.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.81 : 74,762.78 = 30,300.93 : x
  2. Step 2: Convert to fraction form
    54,175.81/74,762.78 = 30,300.93/x
  3. Step 3: Cross multiply
    54,175.81x = 74,762.78 × 30,300.93
  4. Step 4: Simplify right side
    54,175.81x = 2,265,381,763.39
  5. Step 5: Solve for x
    x = 2,265,381,763.39/54,175.81
  6. Step 6: Final answer
    x = 41,815.37

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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.