Home / 53,119.78-79,679.70-50,813.56

Finding the Fourth Proportional to 53,119.78, 79,679.70 and 50,813.56

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Solution

The fourth proportional to 53,119.78, 79,679.70 and 50,813.56 is: 76,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.78 : 79,679.70 = 50,813.56 : x
  2. Step 2: Convert to fraction form
    53,119.78/79,679.70 = 50,813.56/x
  3. Step 3: Cross multiply
    53,119.78x = 79,679.70 × 50,813.56
  4. Step 4: Simplify right side
    53,119.78x = 4,048,808,564.27
  5. Step 5: Solve for x
    x = 4,048,808,564.27/53,119.78
  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.