Home / 68,283.50-94,231.62-38,070.72

Finding the Fourth Proportional to 68,283.50, 94,231.62 and 38,070.72

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Solution

The fourth proportional to 68,283.50, 94,231.62 and 38,070.72 is: 52,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,283.50 : 94,231.62 = 38,070.72 : x
  2. Step 2: Convert to fraction form
    68,283.50/94,231.62 = 38,070.72/x
  3. Step 3: Cross multiply
    68,283.50x = 94,231.62 × 38,070.72
  4. Step 4: Simplify right side
    68,283.50x = 3,587,465,620.17
  5. Step 5: Solve for x
    x = 3,587,465,620.17/68,283.50
  6. Step 6: Final answer
    x = 52,537.81

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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.