Home / 88,764.64-133,146.56-26,435.20

Finding the Fourth Proportional to 88,764.64, 133,146.56 and 26,435.20

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Solution

The fourth proportional to 88,764.64, 133,146.56 and 26,435.20 is: 39,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,764.64 : 133,146.56 = 26,435.20 : x
  2. Step 2: Convert to fraction form
    88,764.64/133,146.56 = 26,435.20/x
  3. Step 3: Cross multiply
    88,764.64x = 133,146.56 × 26,435.20
  4. Step 4: Simplify right side
    88,764.64x = 3,519,755,942.91
  5. Step 5: Solve for x
    x = 3,519,755,942.91/88,764.64
  6. Step 6: Final answer
    x = 39,652.68

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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.