Home / 56,836.92-78,406.08-43,384.80

Finding the Fourth Proportional to 56,836.92, 78,406.08 and 43,384.80

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Solution

The fourth proportional to 56,836.92, 78,406.08 and 43,384.80 is: 59,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,836.92 : 78,406.08 = 43,384.80 : x
  2. Step 2: Convert to fraction form
    56,836.92/78,406.08 = 43,384.80/x
  3. Step 3: Cross multiply
    56,836.92x = 78,406.08 × 43,384.80
  4. Step 4: Simplify right side
    56,836.92x = 3,401,632,099.58
  5. Step 5: Solve for x
    x = 3,401,632,099.58/56,836.92
  6. Step 6: Final answer
    x = 59,848.99

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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.