Home / 82,161.12-113,382.38-44,435.36

Finding the Fourth Proportional to 82,161.12, 113,382.38 and 44,435.36

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Solution

The fourth proportional to 82,161.12, 113,382.38 and 44,435.36 is: 61,320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,161.12 : 113,382.38 = 44,435.36 : x
  2. Step 2: Convert to fraction form
    82,161.12/113,382.38 = 44,435.36/x
  3. Step 3: Cross multiply
    82,161.12x = 113,382.38 × 44,435.36
  4. Step 4: Simplify right side
    82,161.12x = 5,038,186,872.96
  5. Step 5: Solve for x
    x = 5,038,186,872.96/82,161.12
  6. Step 6: Final answer
    x = 61,320.82

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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.