Home / 104,966.76-157,435.40-30,093.30

Finding the Fourth Proportional to 104,966.76, 157,435.40 and 30,093.30

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Solution

The fourth proportional to 104,966.76, 157,435.40 and 30,093.30 is: 45,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,966.76 : 157,435.40 = 30,093.30 : x
  2. Step 2: Convert to fraction form
    104,966.76/157,435.40 = 30,093.30/x
  3. Step 3: Cross multiply
    104,966.76x = 157,435.40 × 30,093.30
  4. Step 4: Simplify right side
    104,966.76x = 4,737,750,722.82
  5. Step 5: Solve for x
    x = 4,737,750,722.82/104,966.76
  6. Step 6: Final answer
    x = 45,135.72

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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.