Home / 77,704.28-116,446.02-35,480.60

Finding the Fourth Proportional to 77,704.28, 116,446.02 and 35,480.60

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Solution

The fourth proportional to 77,704.28, 116,446.02 and 35,480.60 is: 53,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704.28 : 116,446.02 = 35,480.60 : x
  2. Step 2: Convert to fraction form
    77,704.28/116,446.02 = 35,480.60/x
  3. Step 3: Cross multiply
    77,704.28x = 116,446.02 × 35,480.60
  4. Step 4: Simplify right side
    77,704.28x = 4,131,574,657.21
  5. Step 5: Solve for x
    x = 4,131,574,657.21/77,704.28
  6. Step 6: Final answer
    x = 53,170.49

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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.