Home / 92,769.16-128,021.49-50,327.69

Finding the Fourth Proportional to 92,769.16, 128,021.49 and 50,327.69

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Solution

The fourth proportional to 92,769.16, 128,021.49 and 50,327.69 is: 69,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.16 : 128,021.49 = 50,327.69 : x
  2. Step 2: Convert to fraction form
    92,769.16/128,021.49 = 50,327.69/x
  3. Step 3: Cross multiply
    92,769.16x = 128,021.49 × 50,327.69
  4. Step 4: Simplify right side
    92,769.16x = 6,443,025,542.00
  5. Step 5: Solve for x
    x = 6,443,025,542.00/92,769.16
  6. Step 6: Final answer
    x = 69,452.24

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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.