Home / 43,050.36-64,579.23-11,885.61

Finding the Fourth Proportional to 43,050.36, 64,579.23 and 11,885.61

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Solution

The fourth proportional to 43,050.36, 64,579.23 and 11,885.61 is: 17,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,050.36 : 64,579.23 = 11,885.61 : x
  2. Step 2: Convert to fraction form
    43,050.36/64,579.23 = 11,885.61/x
  3. Step 3: Cross multiply
    43,050.36x = 64,579.23 × 11,885.61
  4. Step 4: Simplify right side
    43,050.36x = 767,563,541.88
  5. Step 5: Solve for x
    x = 767,563,541.88/43,050.36
  6. Step 6: Final answer
    x = 17,829.43

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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.