Home / 89,348.70-123,302.25-51,107.64

Finding the Fourth Proportional to 89,348.70, 123,302.25 and 51,107.64

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Solution

The fourth proportional to 89,348.70, 123,302.25 and 51,107.64 is: 70,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,348.70 : 123,302.25 = 51,107.64 : x
  2. Step 2: Convert to fraction form
    89,348.70/123,302.25 = 51,107.64/x
  3. Step 3: Cross multiply
    89,348.70x = 123,302.25 × 51,107.64
  4. Step 4: Simplify right side
    89,348.70x = 6,301,687,004.19
  5. Step 5: Solve for x
    x = 6,301,687,004.19/89,348.70
  6. Step 6: Final answer
    x = 70,529.14

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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.