Home / 93,043.72-128,398.92-50,601.28

Finding the Fourth Proportional to 93,043.72, 128,398.92 and 50,601.28

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Solution

The fourth proportional to 93,043.72, 128,398.92 and 50,601.28 is: 69,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.72 : 128,398.92 = 50,601.28 : x
  2. Step 2: Convert to fraction form
    93,043.72/128,398.92 = 50,601.28/x
  3. Step 3: Cross multiply
    93,043.72x = 128,398.92 × 50,601.28
  4. Step 4: Simplify right side
    93,043.72x = 6,497,149,702.62
  5. Step 5: Solve for x
    x = 6,497,149,702.62/93,043.72
  6. Step 6: Final answer
    x = 69,829.00

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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.