Home / 93,984.05-129,698.16-51,542.88

Finding the Fourth Proportional to 93,984.05, 129,698.16 and 51,542.88

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Solution

The fourth proportional to 93,984.05, 129,698.16 and 51,542.88 is: 71,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984.05 : 129,698.16 = 51,542.88 : x
  2. Step 2: Convert to fraction form
    93,984.05/129,698.16 = 51,542.88/x
  3. Step 3: Cross multiply
    93,984.05x = 129,698.16 × 51,542.88
  4. Step 4: Simplify right side
    93,984.05x = 6,685,016,439.39
  5. Step 5: Solve for x
    x = 6,685,016,439.39/93,984.05
  6. Step 6: Final answer
    x = 71,129.27

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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.