Home / 89,993.19-135,014.35-39,383.02

Finding the Fourth Proportional to 89,993.19, 135,014.35 and 39,383.02

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Solution

The fourth proportional to 89,993.19, 135,014.35 and 39,383.02 is: 59,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.19 : 135,014.35 = 39,383.02 : x
  2. Step 2: Convert to fraction form
    89,993.19/135,014.35 = 39,383.02/x
  3. Step 3: Cross multiply
    89,993.19x = 135,014.35 × 39,383.02
  4. Step 4: Simplify right side
    89,993.19x = 5,317,272,171.27
  5. Step 5: Solve for x
    x = 5,317,272,171.27/89,993.19
  6. Step 6: Final answer
    x = 59,085.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.