Home / 54,584.57-75,322.65-30,706.64

Finding the Fourth Proportional to 54,584.57, 75,322.65 and 30,706.64

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Solution

The fourth proportional to 54,584.57, 75,322.65 and 30,706.64 is: 42,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,584.57 : 75,322.65 = 30,706.64 : x
  2. Step 2: Convert to fraction form
    54,584.57/75,322.65 = 30,706.64/x
  3. Step 3: Cross multiply
    54,584.57x = 75,322.65 × 30,706.64
  4. Step 4: Simplify right side
    54,584.57x = 2,312,905,497.40
  5. Step 5: Solve for x
    x = 2,312,905,497.40/54,584.57
  6. Step 6: Final answer
    x = 42,372.88

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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.