Home / 76,905.06-115,322.88-32,508.96

Finding the Fourth Proportional to 76,905.06, 115,322.88 and 32,508.96

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Solution

The fourth proportional to 76,905.06, 115,322.88 and 32,508.96 is: 48,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,905.06 : 115,322.88 = 32,508.96 : x
  2. Step 2: Convert to fraction form
    76,905.06/115,322.88 = 32,508.96/x
  3. Step 3: Cross multiply
    76,905.06x = 115,322.88 × 32,508.96
  4. Step 4: Simplify right side
    76,905.06x = 3,749,026,893.00
  5. Step 5: Solve for x
    x = 3,749,026,893.00/76,905.06
  6. Step 6: Final answer
    x = 48,748.77

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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.