Home / 109,894.20-164,711.70-57,276.60

Finding the Fourth Proportional to 109,894.20, 164,711.70 and 57,276.60

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Solution

The fourth proportional to 109,894.20, 164,711.70 and 57,276.60 is: 85,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,894.20 : 164,711.70 = 57,276.60 : x
  2. Step 2: Convert to fraction form
    109,894.20/164,711.70 = 57,276.60/x
  3. Step 3: Cross multiply
    109,894.20x = 164,711.70 × 57,276.60
  4. Step 4: Simplify right side
    109,894.20x = 9,434,126,156.22
  5. Step 5: Solve for x
    x = 9,434,126,156.22/109,894.20
  6. Step 6: Final answer
    x = 85,847.35

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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.