Home / 45,666.47-68,487.83-19,357.67

Finding the Fourth Proportional to 45,666.47, 68,487.83 and 19,357.67

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Solution

The fourth proportional to 45,666.47, 68,487.83 and 19,357.67 is: 29,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,666.47 : 68,487.83 = 19,357.67 : x
  2. Step 2: Convert to fraction form
    45,666.47/68,487.83 = 19,357.67/x
  3. Step 3: Cross multiply
    45,666.47x = 68,487.83 × 19,357.67
  4. Step 4: Simplify right side
    45,666.47x = 1,325,764,715.37
  5. Step 5: Solve for x
    x = 1,325,764,715.37/45,666.47
  6. Step 6: Final answer
    x = 29,031.47

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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.