Home / 91,494.12-126,273.06-53,771.88

Finding the Fourth Proportional to 91,494.12, 126,273.06 and 53,771.88

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Solution

The fourth proportional to 91,494.12, 126,273.06 and 53,771.88 is: 74,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,494.12 : 126,273.06 = 53,771.88 : x
  2. Step 2: Convert to fraction form
    91,494.12/126,273.06 = 53,771.88/x
  3. Step 3: Cross multiply
    91,494.12x = 126,273.06 × 53,771.88
  4. Step 4: Simplify right side
    91,494.12x = 6,789,939,829.55
  5. Step 5: Solve for x
    x = 6,789,939,829.55/91,494.12
  6. Step 6: Final answer
    x = 74,211.76

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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.