Home / 93,112.21-128,489.24-52,273.31

Finding the Fourth Proportional to 93,112.21, 128,489.24 and 52,273.31

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Solution

The fourth proportional to 93,112.21, 128,489.24 and 52,273.31 is: 72,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,112.21 : 128,489.24 = 52,273.31 : x
  2. Step 2: Convert to fraction form
    93,112.21/128,489.24 = 52,273.31/x
  3. Step 3: Cross multiply
    93,112.21x = 128,489.24 × 52,273.31
  4. Step 4: Simplify right side
    93,112.21x = 6,716,557,612.82
  5. Step 5: Solve for x
    x = 6,716,557,612.82/93,112.21
  6. Step 6: Final answer
    x = 72,134.02

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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.