Home / 49,663.03-74,541.36-18,103.60

Finding the Fourth Proportional to 49,663.03, 74,541.36 and 18,103.60

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Solution

The fourth proportional to 49,663.03, 74,541.36 and 18,103.60 is: 27,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,663.03 : 74,541.36 = 18,103.60 : x
  2. Step 2: Convert to fraction form
    49,663.03/74,541.36 = 18,103.60/x
  3. Step 3: Cross multiply
    49,663.03x = 74,541.36 × 18,103.60
  4. Step 4: Simplify right side
    49,663.03x = 1,349,466,964.90
  5. Step 5: Solve for x
    x = 1,349,466,964.90/49,663.03
  6. Step 6: Final answer
    x = 27,172.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.