Home / 90,520.65-124,922.75-50,234.74

Finding the Fourth Proportional to 90,520.65, 124,922.75 and 50,234.74

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Solution

The fourth proportional to 90,520.65, 124,922.75 and 50,234.74 is: 69,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520.65 : 124,922.75 = 50,234.74 : x
  2. Step 2: Convert to fraction form
    90,520.65/124,922.75 = 50,234.74/x
  3. Step 3: Cross multiply
    90,520.65x = 124,922.75 × 50,234.74
  4. Step 4: Simplify right side
    90,520.65x = 6,275,462,148.08
  5. Step 5: Solve for x
    x = 6,275,462,148.08/90,520.65
  6. Step 6: Final answer
    x = 69,326.31

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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.