Home / 94,255.09-130,072.04-53,982.21

Finding the Fourth Proportional to 94,255.09, 130,072.04 and 53,982.21

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Solution

The fourth proportional to 94,255.09, 130,072.04 and 53,982.21 is: 74,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,255.09 : 130,072.04 = 53,982.21 : x
  2. Step 2: Convert to fraction form
    94,255.09/130,072.04 = 53,982.21/x
  3. Step 3: Cross multiply
    94,255.09x = 130,072.04 × 53,982.21
  4. Step 4: Simplify right side
    94,255.09x = 7,021,576,178.41
  5. Step 5: Solve for x
    x = 7,021,576,178.41/94,255.09
  6. Step 6: Final answer
    x = 74,495.46

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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.