Home / 93,456.11-128,968.77-51,014.64

Finding the Fourth Proportional to 93,456.11, 128,968.77 and 51,014.64

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Solution

The fourth proportional to 93,456.11, 128,968.77 and 51,014.64 is: 70,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,456.11 : 128,968.77 = 51,014.64 : x
  2. Step 2: Convert to fraction form
    93,456.11/128,968.77 = 51,014.64/x
  3. Step 3: Cross multiply
    93,456.11x = 128,968.77 × 51,014.64
  4. Step 4: Simplify right side
    93,456.11x = 6,579,295,372.79
  5. Step 5: Solve for x
    x = 6,579,295,372.79/93,456.11
  6. Step 6: Final answer
    x = 70,399.85

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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.