Home / 93,200.78-128,620.73-52,918.29

Finding the Fourth Proportional to 93,200.78, 128,620.73 and 52,918.29

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Solution

The fourth proportional to 93,200.78, 128,620.73 and 52,918.29 is: 73,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.78 : 128,620.73 = 52,918.29 : x
  2. Step 2: Convert to fraction form
    93,200.78/128,620.73 = 52,918.29/x
  3. Step 3: Cross multiply
    93,200.78x = 128,620.73 × 52,918.29
  4. Step 4: Simplify right side
    93,200.78x = 6,806,388,825.56
  5. Step 5: Solve for x
    x = 6,806,388,825.56/93,200.78
  6. Step 6: Final answer
    x = 73,029.32

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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.