Home / 68,651.96-94,735.12-38,432.18

Finding the Fourth Proportional to 68,651.96, 94,735.12 and 38,432.18

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Solution

The fourth proportional to 68,651.96, 94,735.12 and 38,432.18 is: 53,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,651.96 : 94,735.12 = 38,432.18 : x
  2. Step 2: Convert to fraction form
    68,651.96/94,735.12 = 38,432.18/x
  3. Step 3: Cross multiply
    68,651.96x = 94,735.12 × 38,432.18
  4. Step 4: Simplify right side
    68,651.96x = 3,640,877,184.16
  5. Step 5: Solve for x
    x = 3,640,877,184.16/68,651.96
  6. Step 6: Final answer
    x = 53,033.84

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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.