Home / 89,020.41-122,931.44-57,244.51

Finding the Fourth Proportional to 89,020.41, 122,931.44 and 57,244.51

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Solution

The fourth proportional to 89,020.41, 122,931.44 and 57,244.51 is: 79,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,020.41 : 122,931.44 = 57,244.51 : x
  2. Step 2: Convert to fraction form
    89,020.41/122,931.44 = 57,244.51/x
  3. Step 3: Cross multiply
    89,020.41x = 122,931.44 × 57,244.51
  4. Step 4: Simplify right side
    89,020.41x = 7,037,150,046.39
  5. Step 5: Solve for x
    x = 7,037,150,046.39/89,020.41
  6. Step 6: Final answer
    x = 79,050.97

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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.