Home / 93,027.72-139,611.80-68,132.31

Finding the Fourth Proportional to 93,027.72, 139,611.80 and 68,132.31

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Solution

The fourth proportional to 93,027.72, 139,611.80 and 68,132.31 is: 102,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,027.72 : 139,611.80 = 68,132.31 : x
  2. Step 2: Convert to fraction form
    93,027.72/139,611.80 = 68,132.31/x
  3. Step 3: Cross multiply
    93,027.72x = 139,611.80 × 68,132.31
  4. Step 4: Simplify right side
    93,027.72x = 9,512,074,437.26
  5. Step 5: Solve for x
    x = 9,512,074,437.26/93,027.72
  6. Step 6: Final answer
    x = 102,249.89

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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.