Home / 91,583.51-126,391.07-51,299.73

Finding the Fourth Proportional to 91,583.51, 126,391.07 and 51,299.73

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Solution

The fourth proportional to 91,583.51, 126,391.07 and 51,299.73 is: 70,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583.51 : 126,391.07 = 51,299.73 : x
  2. Step 2: Convert to fraction form
    91,583.51/126,391.07 = 51,299.73/x
  3. Step 3: Cross multiply
    91,583.51x = 126,391.07 × 51,299.73
  4. Step 4: Simplify right side
    91,583.51x = 6,483,827,508.91
  5. Step 5: Solve for x
    x = 6,483,827,508.91/91,583.51
  6. Step 6: Final answer
    x = 70,796.89

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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.