Home / 68,647.02-94,733.12-38,433.62

Finding the Fourth Proportional to 68,647.02, 94,733.12 and 38,433.62

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Solution

The fourth proportional to 68,647.02, 94,733.12 and 38,433.62 is: 53,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.02 : 94,733.12 = 38,433.62 : x
  2. Step 2: Convert to fraction form
    68,647.02/94,733.12 = 38,433.62/x
  3. Step 3: Cross multiply
    68,647.02x = 94,733.12 × 38,433.62
  4. Step 4: Simplify right side
    68,647.02x = 3,640,936,735.49
  5. Step 5: Solve for x
    x = 3,640,936,735.49/68,647.02
  6. Step 6: Final answer
    x = 53,038.53

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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.