Home / 61,428.30-84,770.76-34,571.25

Finding the Fourth Proportional to 61,428.30, 84,770.76 and 34,571.25

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Solution

The fourth proportional to 61,428.30, 84,770.76 and 34,571.25 is: 47,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428.30 : 84,770.76 = 34,571.25 : x
  2. Step 2: Convert to fraction form
    61,428.30/84,770.76 = 34,571.25/x
  3. Step 3: Cross multiply
    61,428.30x = 84,770.76 × 34,571.25
  4. Step 4: Simplify right side
    61,428.30x = 2,930,631,136.65
  5. Step 5: Solve for x
    x = 2,930,631,136.65/61,428.30
  6. Step 6: Final answer
    x = 47,708.16

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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.