Home / 45,040.25-67,559.83-42,300.03

Finding the Fourth Proportional to 45,040.25, 67,559.83 and 42,300.03

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Solution

The fourth proportional to 45,040.25, 67,559.83 and 42,300.03 is: 63,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.25 : 67,559.83 = 42,300.03 : x
  2. Step 2: Convert to fraction form
    45,040.25/67,559.83 = 42,300.03/x
  3. Step 3: Cross multiply
    45,040.25x = 67,559.83 × 42,300.03
  4. Step 4: Simplify right side
    45,040.25x = 2,857,782,835.79
  5. Step 5: Solve for x
    x = 2,857,782,835.79/45,040.25
  6. Step 6: Final answer
    x = 63,449.53

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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.