Home / 74,011.36-111,000.29-33,991.87

Finding the Fourth Proportional to 74,011.36, 111,000.29 and 33,991.87

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Solution

The fourth proportional to 74,011.36, 111,000.29 and 33,991.87 is: 50,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.36 : 111,000.29 = 33,991.87 : x
  2. Step 2: Convert to fraction form
    74,011.36/111,000.29 = 33,991.87/x
  3. Step 3: Cross multiply
    74,011.36x = 111,000.29 × 33,991.87
  4. Step 4: Simplify right side
    74,011.36x = 3,773,107,427.64
  5. Step 5: Solve for x
    x = 3,773,107,427.64/74,011.36
  6. Step 6: Final answer
    x = 50,980.11

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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.