Home / 49,386.60-74,031.30-44,137.80

Finding the Fourth Proportional to 49,386.60, 74,031.30 and 44,137.80

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Solution

The fourth proportional to 49,386.60, 74,031.30 and 44,137.80 is: 66,163.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,386.60 : 74,031.30 = 44,137.80 : x
  2. Step 2: Convert to fraction form
    49,386.60/74,031.30 = 44,137.80/x
  3. Step 3: Cross multiply
    49,386.60x = 74,031.30 × 44,137.80
  4. Step 4: Simplify right side
    49,386.60x = 3,267,578,713.14
  5. Step 5: Solve for x
    x = 3,267,578,713.14/49,386.60
  6. Step 6: Final answer
    x = 66,163.27

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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.