Home / 89,021.70-122,849.73-48,735.10

Finding the Fourth Proportional to 89,021.70, 122,849.73 and 48,735.10

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Solution

The fourth proportional to 89,021.70, 122,849.73 and 48,735.10 is: 67,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,021.70 : 122,849.73 = 48,735.10 : x
  2. Step 2: Convert to fraction form
    89,021.70/122,849.73 = 48,735.10/x
  3. Step 3: Cross multiply
    89,021.70x = 122,849.73 × 48,735.10
  4. Step 4: Simplify right side
    89,021.70x = 5,987,094,030.09
  5. Step 5: Solve for x
    x = 5,987,094,030.09/89,021.70
  6. Step 6: Final answer
    x = 67,254.32

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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.