Home / 90,313.56-124,634.72-51,550.60

Finding the Fourth Proportional to 90,313.56, 124,634.72 and 51,550.60

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Solution

The fourth proportional to 90,313.56, 124,634.72 and 51,550.60 is: 71,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.56 : 124,634.72 = 51,550.60 : x
  2. Step 2: Convert to fraction form
    90,313.56/124,634.72 = 51,550.60/x
  3. Step 3: Cross multiply
    90,313.56x = 124,634.72 × 51,550.60
  4. Step 4: Simplify right side
    90,313.56x = 6,424,994,596.83
  5. Step 5: Solve for x
    x = 6,424,994,596.83/90,313.56
  6. Step 6: Final answer
    x = 71,140.97

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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.