Home / 89,462.70-123,458.78-51,222.83

Finding the Fourth Proportional to 89,462.70, 123,458.78 and 51,222.83

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Solution

The fourth proportional to 89,462.70, 123,458.78 and 51,222.83 is: 70,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,462.70 : 123,458.78 = 51,222.83 : x
  2. Step 2: Convert to fraction form
    89,462.70/123,458.78 = 51,222.83/x
  3. Step 3: Cross multiply
    89,462.70x = 123,458.78 × 51,222.83
  4. Step 4: Simplify right side
    89,462.70x = 6,323,908,596.37
  5. Step 5: Solve for x
    x = 6,323,908,596.37/89,462.70
  6. Step 6: Final answer
    x = 70,687.66

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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.