Home / 91,153.08-125,786.97-67,271.04

Finding the Fourth Proportional to 91,153.08, 125,786.97 and 67,271.04

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Solution

The fourth proportional to 91,153.08, 125,786.97 and 67,271.04 is: 92,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,153.08 : 125,786.97 = 67,271.04 : x
  2. Step 2: Convert to fraction form
    91,153.08/125,786.97 = 67,271.04/x
  3. Step 3: Cross multiply
    91,153.08x = 125,786.97 × 67,271.04
  4. Step 4: Simplify right side
    91,153.08x = 8,461,820,290.35
  5. Step 5: Solve for x
    x = 8,461,820,290.35/91,153.08
  6. Step 6: Final answer
    x = 92,830.88

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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.