Home / 91,651.83-126,466.70-51,362.43

Finding the Fourth Proportional to 91,651.83, 126,466.70 and 51,362.43

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Solution

The fourth proportional to 91,651.83, 126,466.70 and 51,362.43 is: 70,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,651.83 : 126,466.70 = 51,362.43 : x
  2. Step 2: Convert to fraction form
    91,651.83/126,466.70 = 51,362.43/x
  3. Step 3: Cross multiply
    91,651.83x = 126,466.70 × 51,362.43
  4. Step 4: Simplify right side
    91,651.83x = 6,495,636,769.27
  5. Step 5: Solve for x
    x = 6,495,636,769.27/91,651.83
  6. Step 6: Final answer
    x = 70,872.96

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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.