Home / 45,728.84-68,613.84-29,084.60

Finding the Fourth Proportional to 45,728.84, 68,613.84 and 29,084.60

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Solution

The fourth proportional to 45,728.84, 68,613.84 and 29,084.60 is: 43,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,728.84 : 68,613.84 = 29,084.60 : x
  2. Step 2: Convert to fraction form
    45,728.84/68,613.84 = 29,084.60/x
  3. Step 3: Cross multiply
    45,728.84x = 68,613.84 × 29,084.60
  4. Step 4: Simplify right side
    45,728.84x = 1,995,606,090.86
  5. Step 5: Solve for x
    x = 1,995,606,090.86/45,728.84
  6. Step 6: Final answer
    x = 43,639.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.