Home / 53,119.77-79,679.69-50,813.55

Finding the Fourth Proportional to 53,119.77, 79,679.69 and 50,813.55

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Solution

The fourth proportional to 53,119.77, 79,679.69 and 50,813.55 is: 76,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.77 : 79,679.69 = 50,813.55 : x
  2. Step 2: Convert to fraction form
    53,119.77/79,679.69 = 50,813.55/x
  3. Step 3: Cross multiply
    53,119.77x = 79,679.69 × 50,813.55
  4. Step 4: Simplify right side
    53,119.77x = 4,048,807,911.80
  5. Step 5: Solve for x
    x = 4,048,807,911.80/53,119.77
  6. Step 6: Final answer
    x = 76,220.36

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1.5x scale

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.