Home / 68,209.46-94,143.58-45,840.50

Finding the Fourth Proportional to 68,209.46, 94,143.58 and 45,840.50

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Solution

The fourth proportional to 68,209.46, 94,143.58 and 45,840.50 is: 63,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.46 : 94,143.58 = 45,840.50 : x
  2. Step 2: Convert to fraction form
    68,209.46/94,143.58 = 45,840.50/x
  3. Step 3: Cross multiply
    68,209.46x = 94,143.58 × 45,840.50
  4. Step 4: Simplify right side
    68,209.46x = 4,315,588,778.99
  5. Step 5: Solve for x
    x = 4,315,588,778.99/68,209.46
  6. Step 6: Final answer
    x = 63,269.65

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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.