Home / 43,072.58-64,603.74-11,485.01

Finding the Fourth Proportional to 43,072.58, 64,603.74 and 11,485.01

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Solution

The fourth proportional to 43,072.58, 64,603.74 and 11,485.01 is: 17,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.58 : 64,603.74 = 11,485.01 : x
  2. Step 2: Convert to fraction form
    43,072.58/64,603.74 = 11,485.01/x
  3. Step 3: Cross multiply
    43,072.58x = 64,603.74 × 11,485.01
  4. Step 4: Simplify right side
    43,072.58x = 741,974,804.52
  5. Step 5: Solve for x
    x = 741,974,804.52/43,072.58
  6. Step 6: Final answer
    x = 17,226.15

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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.