Home / 91,956.24-126,892.71-51,663.60

Finding the Fourth Proportional to 91,956.24, 126,892.71 and 51,663.60

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Solution

The fourth proportional to 91,956.24, 126,892.71 and 51,663.60 is: 71,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,956.24 : 126,892.71 = 51,663.60 : x
  2. Step 2: Convert to fraction form
    91,956.24/126,892.71 = 51,663.60/x
  3. Step 3: Cross multiply
    91,956.24x = 126,892.71 × 51,663.60
  4. Step 4: Simplify right side
    91,956.24x = 6,555,734,212.36
  5. Step 5: Solve for x
    x = 6,555,734,212.36/91,956.24
  6. Step 6: Final answer
    x = 71,291.89

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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.