Home / 89,005.07-122,814.07-50,758.54

Finding the Fourth Proportional to 89,005.07, 122,814.07 and 50,758.54

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Solution

The fourth proportional to 89,005.07, 122,814.07 and 50,758.54 is: 70,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,005.07 : 122,814.07 = 50,758.54 : x
  2. Step 2: Convert to fraction form
    89,005.07/122,814.07 = 50,758.54/x
  3. Step 3: Cross multiply
    89,005.07x = 122,814.07 × 50,758.54
  4. Step 4: Simplify right side
    89,005.07x = 6,233,862,884.66
  5. Step 5: Solve for x
    x = 6,233,862,884.66/89,005.07
  6. Step 6: Final answer
    x = 70,039.41

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1.5x scale

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.