Home / 51,239.84-76,869-23,173.08

Finding the Fourth Proportional to 51,239.84, 76,869 and 23,173.08

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Solution

The fourth proportional to 51,239.84, 76,869 and 23,173.08 is: 34,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.84 : 76,869 = 23,173.08 : x
  2. Step 2: Convert to fraction form
    51,239.84/76,869 = 23,173.08/x
  3. Step 3: Cross multiply
    51,239.84x = 76,869 × 23,173.08
  4. Step 4: Simplify right side
    51,239.84x = 1,781,291,486.52
  5. Step 5: Solve for x
    x = 1,781,291,486.52/51,239.84
  6. Step 6: Final answer
    x = 34,763.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.