Home / 80,562.14-111,172.66-44,754.40

Finding the Fourth Proportional to 80,562.14, 111,172.66 and 44,754.40

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Solution

The fourth proportional to 80,562.14, 111,172.66 and 44,754.40 is: 61,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,562.14 : 111,172.66 = 44,754.40 : x
  2. Step 2: Convert to fraction form
    80,562.14/111,172.66 = 44,754.40/x
  3. Step 3: Cross multiply
    80,562.14x = 111,172.66 × 44,754.40
  4. Step 4: Simplify right side
    80,562.14x = 4,975,465,304.89
  5. Step 5: Solve for x
    x = 4,975,465,304.89/80,562.14
  6. Step 6: Final answer
    x = 61,759.35

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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.