Home / 89,120.55-122,974.70-53,297.49

Finding the Fourth Proportional to 89,120.55, 122,974.70 and 53,297.49

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Solution

The fourth proportional to 89,120.55, 122,974.70 and 53,297.49 is: 73,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.55 : 122,974.70 = 53,297.49 : x
  2. Step 2: Convert to fraction form
    89,120.55/122,974.70 = 53,297.49/x
  3. Step 3: Cross multiply
    89,120.55x = 122,974.70 × 53,297.49
  4. Step 4: Simplify right side
    89,120.55x = 6,554,242,577.02
  5. Step 5: Solve for x
    x = 6,554,242,577.02/89,120.55
  6. Step 6: Final answer
    x = 73,543.56

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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.