Home / 90,984.42-125,562.36-50,698.21

Finding the Fourth Proportional to 90,984.42, 125,562.36 and 50,698.21

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Solution

The fourth proportional to 90,984.42, 125,562.36 and 50,698.21 is: 69,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,984.42 : 125,562.36 = 50,698.21 : x
  2. Step 2: Convert to fraction form
    90,984.42/125,562.36 = 50,698.21/x
  3. Step 3: Cross multiply
    90,984.42x = 125,562.36 × 50,698.21
  4. Step 4: Simplify right side
    90,984.42x = 6,365,786,768.63
  5. Step 5: Solve for x
    x = 6,365,786,768.63/90,984.42
  6. Step 6: Final answer
    x = 69,965.68

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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.