Home / 83,659.94-125,508.63-28,254.50

Finding the Fourth Proportional to 83,659.94, 125,508.63 and 28,254.50

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Solution

The fourth proportional to 83,659.94, 125,508.63 and 28,254.50 is: 42,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,659.94 : 125,508.63 = 28,254.50 : x
  2. Step 2: Convert to fraction form
    83,659.94/125,508.63 = 28,254.50/x
  3. Step 3: Cross multiply
    83,659.94x = 125,508.63 × 28,254.50
  4. Step 4: Simplify right side
    83,659.94x = 3,546,183,586.34
  5. Step 5: Solve for x
    x = 3,546,183,586.34/83,659.94
  6. Step 6: Final answer
    x = 42,388.07

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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.