Home / 109,611.85-164,438.06-34,750.84

Finding the Fourth Proportional to 109,611.85, 164,438.06 and 34,750.84

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Solution

The fourth proportional to 109,611.85, 164,438.06 and 34,750.84 is: 52,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,611.85 : 164,438.06 = 34,750.84 : x
  2. Step 2: Convert to fraction form
    109,611.85/164,438.06 = 34,750.84/x
  3. Step 3: Cross multiply
    109,611.85x = 164,438.06 × 34,750.84
  4. Step 4: Simplify right side
    109,611.85x = 5,714,360,712.97
  5. Step 5: Solve for x
    x = 5,714,360,712.97/109,611.85
  6. Step 6: Final answer
    x = 52,132.69

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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.