Home / 67,722.99-93,461.07-40,865.03

Finding the Fourth Proportional to 67,722.99, 93,461.07 and 40,865.03

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Solution

The fourth proportional to 67,722.99, 93,461.07 and 40,865.03 is: 56,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722.99 : 93,461.07 = 40,865.03 : x
  2. Step 2: Convert to fraction form
    67,722.99/93,461.07 = 40,865.03/x
  3. Step 3: Cross multiply
    67,722.99x = 93,461.07 × 40,865.03
  4. Step 4: Simplify right side
    67,722.99x = 3,819,289,383.86
  5. Step 5: Solve for x
    x = 3,819,289,383.86/67,722.99
  6. Step 6: Final answer
    x = 56,395.76

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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.