Home / 94,123.72-129,890.96-51,684.99

Finding the Fourth Proportional to 94,123.72, 129,890.96 and 51,684.99

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Solution

The fourth proportional to 94,123.72, 129,890.96 and 51,684.99 is: 71,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.72 : 129,890.96 = 51,684.99 : x
  2. Step 2: Convert to fraction form
    94,123.72/129,890.96 = 51,684.99/x
  3. Step 3: Cross multiply
    94,123.72x = 129,890.96 × 51,684.99
  4. Step 4: Simplify right side
    94,123.72x = 6,713,412,968.69
  5. Step 5: Solve for x
    x = 6,713,412,968.69/94,123.72
  6. Step 6: Final answer
    x = 71,325.41

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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.