Home / 91,516.16-126,292.35-51,230

Finding the Fourth Proportional to 91,516.16, 126,292.35 and 51,230

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Solution

The fourth proportional to 91,516.16, 126,292.35 and 51,230 is: 70,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.16 : 126,292.35 = 51,230 : x
  2. Step 2: Convert to fraction form
    91,516.16/126,292.35 = 51,230/x
  3. Step 3: Cross multiply
    91,516.16x = 126,292.35 × 51,230
  4. Step 4: Simplify right side
    91,516.16x = 6,469,957,090.50
  5. Step 5: Solve for x
    x = 6,469,957,090.50/91,516.16
  6. Step 6: Final answer
    x = 70,697.43

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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.