Home / 64,919.88-89,579.52-41,079.15

Finding the Fourth Proportional to 64,919.88, 89,579.52 and 41,079.15

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Solution

The fourth proportional to 64,919.88, 89,579.52 and 41,079.15 is: 56,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,919.88 : 89,579.52 = 41,079.15 : x
  2. Step 2: Convert to fraction form
    64,919.88/89,579.52 = 41,079.15/x
  3. Step 3: Cross multiply
    64,919.88x = 89,579.52 × 41,079.15
  4. Step 4: Simplify right side
    64,919.88x = 3,679,850,539.01
  5. Step 5: Solve for x
    x = 3,679,850,539.01/64,919.88
  6. Step 6: Final answer
    x = 56,682.95

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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.