Home / 68,486.04-94,512.76-38,271.44

Finding the Fourth Proportional to 68,486.04, 94,512.76 and 38,271.44

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Solution

The fourth proportional to 68,486.04, 94,512.76 and 38,271.44 is: 52,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.04 : 94,512.76 = 38,271.44 : x
  2. Step 2: Convert to fraction form
    68,486.04/94,512.76 = 38,271.44/x
  3. Step 3: Cross multiply
    68,486.04x = 94,512.76 × 38,271.44
  4. Step 4: Simplify right side
    68,486.04x = 3,617,139,136.55
  5. Step 5: Solve for x
    x = 3,617,139,136.55/68,486.04
  6. Step 6: Final answer
    x = 52,815.71

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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.