Home / 54,784.62-75,603.08-30,586.68

Finding the Fourth Proportional to 54,784.62, 75,603.08 and 30,586.68

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Solution

The fourth proportional to 54,784.62, 75,603.08 and 30,586.68 is: 42,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.62 : 75,603.08 = 30,586.68 : x
  2. Step 2: Convert to fraction form
    54,784.62/75,603.08 = 30,586.68/x
  3. Step 3: Cross multiply
    54,784.62x = 75,603.08 × 30,586.68
  4. Step 4: Simplify right side
    54,784.62x = 2,312,447,214.97
  5. Step 5: Solve for x
    x = 2,312,447,214.97/54,784.62
  6. Step 6: Final answer
    x = 42,209.79

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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.