Home / 64,731.24-89,356.66-43,522.80

Finding the Fourth Proportional to 64,731.24, 89,356.66 and 43,522.80

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Solution

The fourth proportional to 64,731.24, 89,356.66 and 43,522.80 is: 60,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,731.24 : 89,356.66 = 43,522.80 : x
  2. Step 2: Convert to fraction form
    64,731.24/89,356.66 = 43,522.80/x
  3. Step 3: Cross multiply
    64,731.24x = 89,356.66 × 43,522.80
  4. Step 4: Simplify right side
    64,731.24x = 3,889,052,041.85
  5. Step 5: Solve for x
    x = 3,889,052,041.85/64,731.24
  6. Step 6: Final answer
    x = 60,079.99

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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.