Home / 54,583.07-75,320.58-30,705.14

Finding the Fourth Proportional to 54,583.07, 75,320.58 and 30,705.14

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Solution

The fourth proportional to 54,583.07, 75,320.58 and 30,705.14 is: 42,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.07 : 75,320.58 = 30,705.14 : x
  2. Step 2: Convert to fraction form
    54,583.07/75,320.58 = 30,705.14/x
  3. Step 3: Cross multiply
    54,583.07x = 75,320.58 × 30,705.14
  4. Step 4: Simplify right side
    54,583.07x = 2,312,728,953.78
  5. Step 5: Solve for x
    x = 2,312,728,953.78/54,583.07
  6. Step 6: Final answer
    x = 42,370.81

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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.