Home / 80,437.73-111,017.39-44,639.24

Finding the Fourth Proportional to 80,437.73, 111,017.39 and 44,639.24

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Solution

The fourth proportional to 80,437.73, 111,017.39 and 44,639.24 is: 61,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.73 : 111,017.39 = 44,639.24 : x
  2. Step 2: Convert to fraction form
    80,437.73/111,017.39 = 44,639.24/x
  3. Step 3: Cross multiply
    80,437.73x = 111,017.39 × 44,639.24
  4. Step 4: Simplify right side
    80,437.73x = 4,955,731,138.10
  5. Step 5: Solve for x
    x = 4,955,731,138.10/80,437.73
  6. Step 6: Final answer
    x = 61,609.54

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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.