Home / 89,263.36-123,161.70-51,537.52

Finding the Fourth Proportional to 89,263.36, 123,161.70 and 51,537.52

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Solution

The fourth proportional to 89,263.36, 123,161.70 and 51,537.52 is: 71,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,263.36 : 123,161.70 = 51,537.52 : x
  2. Step 2: Convert to fraction form
    89,263.36/123,161.70 = 51,537.52/x
  3. Step 3: Cross multiply
    89,263.36x = 123,161.70 × 51,537.52
  4. Step 4: Simplify right side
    89,263.36x = 6,347,448,576.98
  5. Step 5: Solve for x
    x = 6,347,448,576.98/89,263.36
  6. Step 6: Final answer
    x = 71,109.23

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1.5x scale

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.