Home / 89,921.24-124,090.61-49,635

Finding the Fourth Proportional to 89,921.24, 124,090.61 and 49,635

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Solution

The fourth proportional to 89,921.24, 124,090.61 and 49,635 is: 68,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.24 : 124,090.61 = 49,635 : x
  2. Step 2: Convert to fraction form
    89,921.24/124,090.61 = 49,635/x
  3. Step 3: Cross multiply
    89,921.24x = 124,090.61 × 49,635
  4. Step 4: Simplify right side
    89,921.24x = 6,159,237,551.44
  5. Step 5: Solve for x
    x = 6,159,237,551.44/89,921.24
  6. Step 6: Final answer
    x = 68,495.92

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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.