Home / 91,197.20-125,857-53,474.32

Finding the Fourth Proportional to 91,197.20, 125,857 and 53,474.32

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Solution

The fourth proportional to 91,197.20, 125,857 and 53,474.32 is: 73,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,197.20 : 125,857 = 53,474.32 : x
  2. Step 2: Convert to fraction form
    91,197.20/125,857 = 53,474.32/x
  3. Step 3: Cross multiply
    91,197.20x = 125,857 × 53,474.32
  4. Step 4: Simplify right side
    91,197.20x = 6,730,117,492.24
  5. Step 5: Solve for x
    x = 6,730,117,492.24/91,197.20
  6. Step 6: Final answer
    x = 73,797.41

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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.