Home / 94,786.94-130,745.91-72,076.15

Finding the Fourth Proportional to 94,786.94, 130,745.91 and 72,076.15

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Solution

The fourth proportional to 94,786.94, 130,745.91 and 72,076.15 is: 99,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,786.94 : 130,745.91 = 72,076.15 : x
  2. Step 2: Convert to fraction form
    94,786.94/130,745.91 = 72,076.15/x
  3. Step 3: Cross multiply
    94,786.94x = 130,745.91 × 72,076.15
  4. Step 4: Simplify right side
    94,786.94x = 9,423,661,359.04
  5. Step 5: Solve for x
    x = 9,423,661,359.04/94,786.94
  6. Step 6: Final answer
    x = 99,419.40

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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.