Home / 79,526.09-109,771.53-50,922.76

Finding the Fourth Proportional to 79,526.09, 109,771.53 and 50,922.76

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Solution

The fourth proportional to 79,526.09, 109,771.53 and 50,922.76 is: 70,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.09 : 109,771.53 = 50,922.76 : x
  2. Step 2: Convert to fraction form
    79,526.09/109,771.53 = 50,922.76/x
  3. Step 3: Cross multiply
    79,526.09x = 109,771.53 × 50,922.76
  4. Step 4: Simplify right side
    79,526.09x = 5,589,868,728.17
  5. Step 5: Solve for x
    x = 5,589,868,728.17/79,526.09
  6. Step 6: Final answer
    x = 70,289.75

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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.