Home / 91,356.44-126,074.48-51,074.73

Finding the Fourth Proportional to 91,356.44, 126,074.48 and 51,074.73

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Solution

The fourth proportional to 91,356.44, 126,074.48 and 51,074.73 is: 70,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,356.44 : 126,074.48 = 51,074.73 : x
  2. Step 2: Convert to fraction form
    91,356.44/126,074.48 = 51,074.73/x
  3. Step 3: Cross multiply
    91,356.44x = 126,074.48 × 51,074.73
  4. Step 4: Simplify right side
    91,356.44x = 6,439,219,770.52
  5. Step 5: Solve for x
    x = 6,439,219,770.52/91,356.44
  6. Step 6: Final answer
    x = 70,484.58

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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.