Home / 89,631.96-134,447.90-36,983.56

Finding the Fourth Proportional to 89,631.96, 134,447.90 and 36,983.56

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Solution

The fourth proportional to 89,631.96, 134,447.90 and 36,983.56 is: 55,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.96 : 134,447.90 = 36,983.56 : x
  2. Step 2: Convert to fraction form
    89,631.96/134,447.90 = 36,983.56/x
  3. Step 3: Cross multiply
    89,631.96x = 134,447.90 × 36,983.56
  4. Step 4: Simplify right side
    89,631.96x = 4,972,361,976.52
  5. Step 5: Solve for x
    x = 4,972,361,976.52/89,631.96
  6. Step 6: Final answer
    x = 55,475.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.