Home / 117,011.40-161,463.90-67,936.03

Finding the Fourth Proportional to 117,011.40, 161,463.90 and 67,936.03

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Solution

The fourth proportional to 117,011.40, 161,463.90 and 67,936.03 is: 93,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,011.40 : 161,463.90 = 67,936.03 : x
  2. Step 2: Convert to fraction form
    117,011.40/161,463.90 = 67,936.03/x
  3. Step 3: Cross multiply
    117,011.40x = 161,463.90 × 67,936.03
  4. Step 4: Simplify right side
    117,011.40x = 10,969,216,731.51
  5. Step 5: Solve for x
    x = 10,969,216,731.51/117,011.40
  6. Step 6: Final answer
    x = 93,744.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.