Home / 107,681.50-161,528.73-33,809.50

Finding the Fourth Proportional to 107,681.50, 161,528.73 and 33,809.50

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Solution

The fourth proportional to 107,681.50, 161,528.73 and 33,809.50 is: 50,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681.50 : 161,528.73 = 33,809.50 : x
  2. Step 2: Convert to fraction form
    107,681.50/161,528.73 = 33,809.50/x
  3. Step 3: Cross multiply
    107,681.50x = 161,528.73 × 33,809.50
  4. Step 4: Simplify right side
    107,681.50x = 5,461,205,596.94
  5. Step 5: Solve for x
    x = 5,461,205,596.94/107,681.50
  6. Step 6: Final answer
    x = 50,716.28

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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.