Home / 90,485.46-124,873.27-54,668.54

Finding the Fourth Proportional to 90,485.46, 124,873.27 and 54,668.54

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Solution

The fourth proportional to 90,485.46, 124,873.27 and 54,668.54 is: 75,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,485.46 : 124,873.27 = 54,668.54 : x
  2. Step 2: Convert to fraction form
    90,485.46/124,873.27 = 54,668.54/x
  3. Step 3: Cross multiply
    90,485.46x = 124,873.27 × 54,668.54
  4. Step 4: Simplify right side
    90,485.46x = 6,826,639,531.44
  5. Step 5: Solve for x
    x = 6,826,639,531.44/90,485.46
  6. Step 6: Final answer
    x = 75,444.60

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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.