Home / 89,790.73-123,907.47-48,953.97

Finding the Fourth Proportional to 89,790.73, 123,907.47 and 48,953.97

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Solution

The fourth proportional to 89,790.73, 123,907.47 and 48,953.97 is: 67,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,790.73 : 123,907.47 = 48,953.97 : x
  2. Step 2: Convert to fraction form
    89,790.73/123,907.47 = 48,953.97/x
  3. Step 3: Cross multiply
    89,790.73x = 123,907.47 × 48,953.97
  4. Step 4: Simplify right side
    89,790.73x = 6,065,762,660.94
  5. Step 5: Solve for x
    x = 6,065,762,660.94/89,790.73
  6. Step 6: Final answer
    x = 67,554.44

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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.