Home / 48,449.72-66,860.02-28,309.67

Finding the Fourth Proportional to 48,449.72, 66,860.02 and 28,309.67

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Solution

The fourth proportional to 48,449.72, 66,860.02 and 28,309.67 is: 39,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.72 : 66,860.02 = 28,309.67 : x
  2. Step 2: Convert to fraction form
    48,449.72/66,860.02 = 28,309.67/x
  3. Step 3: Cross multiply
    48,449.72x = 66,860.02 × 28,309.67
  4. Step 4: Simplify right side
    48,449.72x = 1,892,785,102.39
  5. Step 5: Solve for x
    x = 1,892,785,102.39/48,449.72
  6. Step 6: Final answer
    x = 39,067.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.