Home / 82,179.12-113,406.96-44,453.28

Finding the Fourth Proportional to 82,179.12, 113,406.96 and 44,453.28

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Solution

The fourth proportional to 82,179.12, 113,406.96 and 44,453.28 is: 61,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,179.12 : 113,406.96 = 44,453.28 : x
  2. Step 2: Convert to fraction form
    82,179.12/113,406.96 = 44,453.28/x
  3. Step 3: Cross multiply
    82,179.12x = 113,406.96 × 44,453.28
  4. Step 4: Simplify right side
    82,179.12x = 5,041,311,346.83
  5. Step 5: Solve for x
    x = 5,041,311,346.83/82,179.12
  6. Step 6: Final answer
    x = 61,345.40

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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.