Home / 93,016.90-128,359.78-50,575.47

Finding the Fourth Proportional to 93,016.90, 128,359.78 and 50,575.47

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Solution

The fourth proportional to 93,016.90, 128,359.78 and 50,575.47 is: 69,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,016.90 : 128,359.78 = 50,575.47 : x
  2. Step 2: Convert to fraction form
    93,016.90/128,359.78 = 50,575.47/x
  3. Step 3: Cross multiply
    93,016.90x = 128,359.78 × 50,575.47
  4. Step 4: Simplify right side
    93,016.90x = 6,491,856,202.60
  5. Step 5: Solve for x
    x = 6,491,856,202.60/93,016.90
  6. Step 6: Final answer
    x = 69,792.22

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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.