Home / 82,155.36-113,374.44-44,429.62

Finding the Fourth Proportional to 82,155.36, 113,374.44 and 44,429.62

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Solution

The fourth proportional to 82,155.36, 113,374.44 and 44,429.62 is: 61,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,155.36 : 113,374.44 = 44,429.62 : x
  2. Step 2: Convert to fraction form
    82,155.36/113,374.44 = 44,429.62/x
  3. Step 3: Cross multiply
    82,155.36x = 113,374.44 × 44,429.62
  4. Step 4: Simplify right side
    82,155.36x = 5,037,183,286.91
  5. Step 5: Solve for x
    x = 5,037,183,286.91/82,155.36
  6. Step 6: Final answer
    x = 61,312.90

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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.