Home / 82,237.77-113,490.90-50,400.54

Finding the Fourth Proportional to 82,237.77, 113,490.90 and 50,400.54

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Solution

The fourth proportional to 82,237.77, 113,490.90 and 50,400.54 is: 69,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,237.77 : 113,490.90 = 50,400.54 : x
  2. Step 2: Convert to fraction form
    82,237.77/113,490.90 = 50,400.54/x
  3. Step 3: Cross multiply
    82,237.77x = 113,490.90 × 50,400.54
  4. Step 4: Simplify right side
    82,237.77x = 5,720,002,645.09
  5. Step 5: Solve for x
    x = 5,720,002,645.09/82,237.77
  6. Step 6: Final answer
    x = 69,554.45

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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.