Home / 88,623.88-122,308.20-50,395.40

Finding the Fourth Proportional to 88,623.88, 122,308.20 and 50,395.40

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Solution

The fourth proportional to 88,623.88, 122,308.20 and 50,395.40 is: 69,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,623.88 : 122,308.20 = 50,395.40 : x
  2. Step 2: Convert to fraction form
    88,623.88/122,308.20 = 50,395.40/x
  3. Step 3: Cross multiply
    88,623.88x = 122,308.20 × 50,395.40
  4. Step 4: Simplify right side
    88,623.88x = 6,163,770,662.28
  5. Step 5: Solve for x
    x = 6,163,770,662.28/88,623.88
  6. Step 6: Final answer
    x = 69,549.77

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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.