Home / 48,101.85-72,054.29-28,320.44

Finding the Fourth Proportional to 48,101.85, 72,054.29 and 28,320.44

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Solution

The fourth proportional to 48,101.85, 72,054.29 and 28,320.44 is: 42,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,101.85 : 72,054.29 = 28,320.44 : x
  2. Step 2: Convert to fraction form
    48,101.85/72,054.29 = 28,320.44/x
  3. Step 3: Cross multiply
    48,101.85x = 72,054.29 × 28,320.44
  4. Step 4: Simplify right side
    48,101.85x = 2,040,608,907.22
  5. Step 5: Solve for x
    x = 2,040,608,907.22/48,101.85
  6. Step 6: Final answer
    x = 42,422.67

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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.