Home / 93,091.80-128,476.20-54,863.24

Finding the Fourth Proportional to 93,091.80, 128,476.20 and 54,863.24

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Solution

The fourth proportional to 93,091.80, 128,476.20 and 54,863.24 is: 75,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,091.80 : 128,476.20 = 54,863.24 : x
  2. Step 2: Convert to fraction form
    93,091.80/128,476.20 = 54,863.24/x
  3. Step 3: Cross multiply
    93,091.80x = 128,476.20 × 54,863.24
  4. Step 4: Simplify right side
    93,091.80x = 7,048,620,594.89
  5. Step 5: Solve for x
    x = 7,048,620,594.89/93,091.80
  6. Step 6: Final answer
    x = 75,716.88

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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.