Home / 43,055.03-64,586.26-11,890.28

Finding the Fourth Proportional to 43,055.03, 64,586.26 and 11,890.28

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Solution

The fourth proportional to 43,055.03, 64,586.26 and 11,890.28 is: 17,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,055.03 : 64,586.26 = 11,890.28 : x
  2. Step 2: Convert to fraction form
    43,055.03/64,586.26 = 11,890.28/x
  3. Step 3: Cross multiply
    43,055.03x = 64,586.26 × 11,890.28
  4. Step 4: Simplify right side
    43,055.03x = 767,948,891.88
  5. Step 5: Solve for x
    x = 767,948,891.88/43,055.03
  6. Step 6: Final answer
    x = 17,836.45

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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.