Home / 80,449.23-111,019.59-44,639.16

Finding the Fourth Proportional to 80,449.23, 111,019.59 and 44,639.16

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Solution

The fourth proportional to 80,449.23, 111,019.59 and 44,639.16 is: 61,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,449.23 : 111,019.59 = 44,639.16 : x
  2. Step 2: Convert to fraction form
    80,449.23/111,019.59 = 44,639.16/x
  3. Step 3: Cross multiply
    80,449.23x = 111,019.59 × 44,639.16
  4. Step 4: Simplify right side
    80,449.23x = 4,955,821,011.52
  5. Step 5: Solve for x
    x = 4,955,821,011.52/80,449.23
  6. Step 6: Final answer
    x = 61,601.84

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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.