Home / 80,451.54-111,017.79-44,639.28

Finding the Fourth Proportional to 80,451.54, 111,017.79 and 44,639.28

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Solution

The fourth proportional to 80,451.54, 111,017.79 and 44,639.28 is: 61,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.54 : 111,017.79 = 44,639.28 : x
  2. Step 2: Convert to fraction form
    80,451.54/111,017.79 = 44,639.28/x
  3. Step 3: Cross multiply
    80,451.54x = 111,017.79 × 44,639.28
  4. Step 4: Simplify right side
    80,451.54x = 4,955,754,212.79
  5. Step 5: Solve for x
    x = 4,955,754,212.79/80,451.54
  6. Step 6: Final answer
    x = 61,599.25

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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.