Home / 79,629.64-119,404.16-35,270

Finding the Fourth Proportional to 79,629.64, 119,404.16 and 35,270

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Solution

The fourth proportional to 79,629.64, 119,404.16 and 35,270 is: 52,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.64 : 119,404.16 = 35,270 : x
  2. Step 2: Convert to fraction form
    79,629.64/119,404.16 = 35,270/x
  3. Step 3: Cross multiply
    79,629.64x = 119,404.16 × 35,270
  4. Step 4: Simplify right side
    79,629.64x = 4,211,384,723.20
  5. Step 5: Solve for x
    x = 4,211,384,723.20/79,629.64
  6. Step 6: Final answer
    x = 52,887.15

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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.