Home / 75,900.06-113,697.81-69,699.51

Finding the Fourth Proportional to 75,900.06, 113,697.81 and 69,699.51

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Solution

The fourth proportional to 75,900.06, 113,697.81 and 69,699.51 is: 104,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,900.06 : 113,697.81 = 69,699.51 : x
  2. Step 2: Convert to fraction form
    75,900.06/113,697.81 = 69,699.51/x
  3. Step 3: Cross multiply
    75,900.06x = 113,697.81 × 69,699.51
  4. Step 4: Simplify right side
    75,900.06x = 7,924,681,012.33
  5. Step 5: Solve for x
    x = 7,924,681,012.33/75,900.06
  6. Step 6: Final answer
    x = 104,409.42

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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.