Home / 68,192.64-94,132.80-48,078.72

Finding the Fourth Proportional to 68,192.64, 94,132.80 and 48,078.72

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Solution

The fourth proportional to 68,192.64, 94,132.80 and 48,078.72 is: 66,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.64 : 94,132.80 = 48,078.72 : x
  2. Step 2: Convert to fraction form
    68,192.64/94,132.80 = 48,078.72/x
  3. Step 3: Cross multiply
    68,192.64x = 94,132.80 × 48,078.72
  4. Step 4: Simplify right side
    68,192.64x = 4,525,784,534.02
  5. Step 5: Solve for x
    x = 4,525,784,534.02/68,192.64
  6. Step 6: Final answer
    x = 66,367.64

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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.