Home / 89,440.29-123,425.01-51,198.57

Finding the Fourth Proportional to 89,440.29, 123,425.01 and 51,198.57

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Solution

The fourth proportional to 89,440.29, 123,425.01 and 51,198.57 is: 70,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.29 : 123,425.01 = 51,198.57 : x
  2. Step 2: Convert to fraction form
    89,440.29/123,425.01 = 51,198.57/x
  3. Step 3: Cross multiply
    89,440.29x = 123,425.01 × 51,198.57
  4. Step 4: Simplify right side
    89,440.29x = 6,319,184,014.24
  5. Step 5: Solve for x
    x = 6,319,184,014.24/89,440.29
  6. Step 6: Final answer
    x = 70,652.54

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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.