Home / 88,678.30-133,029.60-29,507.80

Finding the Fourth Proportional to 88,678.30, 133,029.60 and 29,507.80

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Solution

The fourth proportional to 88,678.30, 133,029.60 and 29,507.80 is: 44,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.30 : 133,029.60 = 29,507.80 : x
  2. Step 2: Convert to fraction form
    88,678.30/133,029.60 = 29,507.80/x
  3. Step 3: Cross multiply
    88,678.30x = 133,029.60 × 29,507.80
  4. Step 4: Simplify right side
    88,678.30x = 3,925,410,830.88
  5. Step 5: Solve for x
    x = 3,925,410,830.88/88,678.30
  6. Step 6: Final answer
    x = 44,265.74

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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.