Home / 109,856.60-164,823.30-47,571.80

Finding the Fourth Proportional to 109,856.60, 164,823.30 and 47,571.80

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Solution

The fourth proportional to 109,856.60, 164,823.30 and 47,571.80 is: 71,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,856.60 : 164,823.30 = 47,571.80 : x
  2. Step 2: Convert to fraction form
    109,856.60/164,823.30 = 47,571.80/x
  3. Step 3: Cross multiply
    109,856.60x = 164,823.30 × 47,571.80
  4. Step 4: Simplify right side
    109,856.60x = 7,840,941,062.94
  5. Step 5: Solve for x
    x = 7,840,941,062.94/109,856.60
  6. Step 6: Final answer
    x = 71,374.33

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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.