Home / 89,531.70-123,564.26-51,303.63

Finding the Fourth Proportional to 89,531.70, 123,564.26 and 51,303.63

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Solution

The fourth proportional to 89,531.70, 123,564.26 and 51,303.63 is: 70,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,531.70 : 123,564.26 = 51,303.63 : x
  2. Step 2: Convert to fraction form
    89,531.70/123,564.26 = 51,303.63/x
  3. Step 3: Cross multiply
    89,531.70x = 123,564.26 × 51,303.63
  4. Step 4: Simplify right side
    89,531.70x = 6,339,295,076.26
  5. Step 5: Solve for x
    x = 6,339,295,076.26/89,531.70
  6. Step 6: Final answer
    x = 70,805.03

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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.