Home / 65,919.72-98,905.44-28,957.80

Finding the Fourth Proportional to 65,919.72, 98,905.44 and 28,957.80

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Solution

The fourth proportional to 65,919.72, 98,905.44 and 28,957.80 is: 43,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.72 : 98,905.44 = 28,957.80 : x
  2. Step 2: Convert to fraction form
    65,919.72/98,905.44 = 28,957.80/x
  3. Step 3: Cross multiply
    65,919.72x = 98,905.44 × 28,957.80
  4. Step 4: Simplify right side
    65,919.72x = 2,864,083,950.43
  5. Step 5: Solve for x
    x = 2,864,083,950.43/65,919.72
  6. Step 6: Final answer
    x = 43,448.06

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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.