Home / 107,705.84-161,558.75-28,818.05

Finding the Fourth Proportional to 107,705.84, 161,558.75 and 28,818.05

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Solution

The fourth proportional to 107,705.84, 161,558.75 and 28,818.05 is: 43,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,705.84 : 161,558.75 = 28,818.05 : x
  2. Step 2: Convert to fraction form
    107,705.84/161,558.75 = 28,818.05/x
  3. Step 3: Cross multiply
    107,705.84x = 161,558.75 × 28,818.05
  4. Step 4: Simplify right side
    107,705.84x = 4,655,807,399.69
  5. Step 5: Solve for x
    x = 4,655,807,399.69/107,705.84
  6. Step 6: Final answer
    x = 43,227.07

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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.