Home / 43,118.06-64,677.10-11,953.31

Finding the Fourth Proportional to 43,118.06, 64,677.10 and 11,953.31

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Solution

The fourth proportional to 43,118.06, 64,677.10 and 11,953.31 is: 17,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,118.06 : 64,677.10 = 11,953.31 : x
  2. Step 2: Convert to fraction form
    43,118.06/64,677.10 = 11,953.31/x
  3. Step 3: Cross multiply
    43,118.06x = 64,677.10 × 11,953.31
  4. Step 4: Simplify right side
    43,118.06x = 773,105,558.01
  5. Step 5: Solve for x
    x = 773,105,558.01/43,118.06
  6. Step 6: Final answer
    x = 17,929.97

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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.