Home / 89,059.77-122,843.39-57,268.89

Finding the Fourth Proportional to 89,059.77, 122,843.39 and 57,268.89

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Solution

The fourth proportional to 89,059.77, 122,843.39 and 57,268.89 is: 78,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,059.77 : 122,843.39 = 57,268.89 : x
  2. Step 2: Convert to fraction form
    89,059.77/122,843.39 = 57,268.89/x
  3. Step 3: Cross multiply
    89,059.77x = 122,843.39 × 57,268.89
  4. Step 4: Simplify right side
    89,059.77x = 7,035,104,302.79
  5. Step 5: Solve for x
    x = 7,035,104,302.79/89,059.77
  6. Step 6: Final answer
    x = 78,993.07

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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.