Home / 109,572.20-164,228.70-56,954.60

Finding the Fourth Proportional to 109,572.20, 164,228.70 and 56,954.60

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Solution

The fourth proportional to 109,572.20, 164,228.70 and 56,954.60 is: 85,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,572.20 : 164,228.70 = 56,954.60 : x
  2. Step 2: Convert to fraction form
    109,572.20/164,228.70 = 56,954.60/x
  3. Step 3: Cross multiply
    109,572.20x = 164,228.70 × 56,954.60
  4. Step 4: Simplify right side
    109,572.20x = 9,353,579,917.02
  5. Step 5: Solve for x
    x = 9,353,579,917.02/109,572.20
  6. Step 6: Final answer
    x = 85,364.54

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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.