Home / 89,800.90-123,955.27-53,513.73

Finding the Fourth Proportional to 89,800.90, 123,955.27 and 53,513.73

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Solution

The fourth proportional to 89,800.90, 123,955.27 and 53,513.73 is: 73,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,800.90 : 123,955.27 = 53,513.73 : x
  2. Step 2: Convert to fraction form
    89,800.90/123,955.27 = 53,513.73/x
  3. Step 3: Cross multiply
    89,800.90x = 123,955.27 × 53,513.73
  4. Step 4: Simplify right side
    89,800.90x = 6,633,308,850.86
  5. Step 5: Solve for x
    x = 6,633,308,850.86/89,800.90
  6. Step 6: Final answer
    x = 73,866.84

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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.