Home / 68,506.12-94,537.02-38,290.60

Finding the Fourth Proportional to 68,506.12, 94,537.02 and 38,290.60

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Solution

The fourth proportional to 68,506.12, 94,537.02 and 38,290.60 is: 52,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,506.12 : 94,537.02 = 38,290.60 : x
  2. Step 2: Convert to fraction form
    68,506.12/94,537.02 = 38,290.60/x
  3. Step 3: Cross multiply
    68,506.12x = 94,537.02 × 38,290.60
  4. Step 4: Simplify right side
    68,506.12x = 3,619,879,218.01
  5. Step 5: Solve for x
    x = 3,619,879,218.01/68,506.12
  6. Step 6: Final answer
    x = 52,840.23

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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.