Home / 68,817.16-94,962.90-40,516.84

Finding the Fourth Proportional to 68,817.16, 94,962.90 and 40,516.84

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Solution

The fourth proportional to 68,817.16, 94,962.90 and 40,516.84 is: 55,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,817.16 : 94,962.90 = 40,516.84 : x
  2. Step 2: Convert to fraction form
    68,817.16/94,962.90 = 40,516.84/x
  3. Step 3: Cross multiply
    68,817.16x = 94,962.90 × 40,516.84
  4. Step 4: Simplify right side
    68,817.16x = 3,847,596,625.24
  5. Step 5: Solve for x
    x = 3,847,596,625.24/68,817.16
  6. Step 6: Final answer
    x = 55,910.42

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1.5x scale

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.