Home / 75,507.98-113,275.62-31,110.03

Finding the Fourth Proportional to 75,507.98, 113,275.62 and 31,110.03

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Solution

The fourth proportional to 75,507.98, 113,275.62 and 31,110.03 is: 46,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,507.98 : 113,275.62 = 31,110.03 : x
  2. Step 2: Convert to fraction form
    75,507.98/113,275.62 = 31,110.03/x
  3. Step 3: Cross multiply
    75,507.98x = 113,275.62 × 31,110.03
  4. Step 4: Simplify right side
    75,507.98x = 3,524,007,936.47
  5. Step 5: Solve for x
    x = 3,524,007,936.47/75,507.98
  6. Step 6: Final answer
    x = 46,670.67

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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.