Home / 69,171.05-103,689.14-35,437.03

Finding the Fourth Proportional to 69,171.05, 103,689.14 and 35,437.03

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Solution

The fourth proportional to 69,171.05, 103,689.14 and 35,437.03 is: 53,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.05 : 103,689.14 = 35,437.03 : x
  2. Step 2: Convert to fraction form
    69,171.05/103,689.14 = 35,437.03/x
  3. Step 3: Cross multiply
    69,171.05x = 103,689.14 × 35,437.03
  4. Step 4: Simplify right side
    69,171.05x = 3,674,434,728.45
  5. Step 5: Solve for x
    x = 3,674,434,728.45/69,171.05
  6. Step 6: Final answer
    x = 53,120.99

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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.