Home / 109,771.40-164,426.70-60,465.80

Finding the Fourth Proportional to 109,771.40, 164,426.70 and 60,465.80

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Solution

The fourth proportional to 109,771.40, 164,426.70 and 60,465.80 is: 90,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.40 : 164,426.70 = 60,465.80 : x
  2. Step 2: Convert to fraction form
    109,771.40/164,426.70 = 60,465.80/x
  3. Step 3: Cross multiply
    109,771.40x = 164,426.70 × 60,465.80
  4. Step 4: Simplify right side
    109,771.40x = 9,942,191,956.86
  5. Step 5: Solve for x
    x = 9,942,191,956.86/109,771.40
  6. Step 6: Final answer
    x = 90,571.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.