Home / 68,823.41-94,986.90-38,620.94

Finding the Fourth Proportional to 68,823.41, 94,986.90 and 38,620.94

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Solution

The fourth proportional to 68,823.41, 94,986.90 and 38,620.94 is: 53,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,823.41 : 94,986.90 = 38,620.94 : x
  2. Step 2: Convert to fraction form
    68,823.41/94,986.90 = 38,620.94/x
  3. Step 3: Cross multiply
    68,823.41x = 94,986.90 × 38,620.94
  4. Step 4: Simplify right side
    68,823.41x = 3,668,482,890.75
  5. Step 5: Solve for x
    x = 3,668,482,890.75/68,823.41
  6. Step 6: Final answer
    x = 53,302.84

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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.