Home / 43,193.25-64,782.36-11,605.45

Finding the Fourth Proportional to 43,193.25, 64,782.36 and 11,605.45

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Solution

The fourth proportional to 43,193.25, 64,782.36 and 11,605.45 is: 17,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,193.25 : 64,782.36 = 11,605.45 : x
  2. Step 2: Convert to fraction form
    43,193.25/64,782.36 = 11,605.45/x
  3. Step 3: Cross multiply
    43,193.25x = 64,782.36 × 11,605.45
  4. Step 4: Simplify right side
    43,193.25x = 751,828,548.93
  5. Step 5: Solve for x
    x = 751,828,548.93/43,193.25
  6. Step 6: Final answer
    x = 17,406.16

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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.