Home / 90,520.32-124,918.12-50,234.11

Finding the Fourth Proportional to 90,520.32, 124,918.12 and 50,234.11

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Solution

The fourth proportional to 90,520.32, 124,918.12 and 50,234.11 is: 69,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520.32 : 124,918.12 = 50,234.11 : x
  2. Step 2: Convert to fraction form
    90,520.32/124,918.12 = 50,234.11/x
  3. Step 3: Cross multiply
    90,520.32x = 124,918.12 × 50,234.11
  4. Step 4: Simplify right side
    90,520.32x = 6,275,150,751.67
  5. Step 5: Solve for x
    x = 6,275,150,751.67/90,520.32
  6. Step 6: Final answer
    x = 69,323.11

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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.