Home / 90,732.85-125,214.23-50,448.31

Finding the Fourth Proportional to 90,732.85, 125,214.23 and 50,448.31

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Solution

The fourth proportional to 90,732.85, 125,214.23 and 50,448.31 is: 69,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.85 : 125,214.23 = 50,448.31 : x
  2. Step 2: Convert to fraction form
    90,732.85/125,214.23 = 50,448.31/x
  3. Step 3: Cross multiply
    90,732.85x = 125,214.23 × 50,448.31
  4. Step 4: Simplify right side
    90,732.85x = 6,316,846,104.54
  5. Step 5: Solve for x
    x = 6,316,846,104.54/90,732.85
  6. Step 6: Final answer
    x = 69,620.28

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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.