Home / 93,109.26-139,566.02-45,658.64

Finding the Fourth Proportional to 93,109.26, 139,566.02 and 45,658.64

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Solution

The fourth proportional to 93,109.26, 139,566.02 and 45,658.64 is: 68,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,109.26 : 139,566.02 = 45,658.64 : x
  2. Step 2: Convert to fraction form
    93,109.26/139,566.02 = 45,658.64/x
  3. Step 3: Cross multiply
    93,109.26x = 139,566.02 × 45,658.64
  4. Step 4: Simplify right side
    93,109.26x = 6,372,394,663.41
  5. Step 5: Solve for x
    x = 6,372,394,663.41/93,109.26
  6. Step 6: Final answer
    x = 68,439.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.