Home / 68,596.23-94,651.02-40,307.79

Finding the Fourth Proportional to 68,596.23, 94,651.02 and 40,307.79

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Solution

The fourth proportional to 68,596.23, 94,651.02 and 40,307.79 is: 55,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.23 : 94,651.02 = 40,307.79 : x
  2. Step 2: Convert to fraction form
    68,596.23/94,651.02 = 40,307.79/x
  3. Step 3: Cross multiply
    68,596.23x = 94,651.02 × 40,307.79
  4. Step 4: Simplify right side
    68,596.23x = 3,815,173,437.45
  5. Step 5: Solve for x
    x = 3,815,173,437.45/68,596.23
  6. Step 6: Final answer
    x = 55,617.83

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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.