Home / 83,914.80-125,941.05-83,258.70

Finding the Fourth Proportional to 83,914.80, 125,941.05 and 83,258.70

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Solution

The fourth proportional to 83,914.80, 125,941.05 and 83,258.70 is: 124,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,914.80 : 125,941.05 = 83,258.70 : x
  2. Step 2: Convert to fraction form
    83,914.80/125,941.05 = 83,258.70/x
  3. Step 3: Cross multiply
    83,914.80x = 125,941.05 × 83,258.70
  4. Step 4: Simplify right side
    83,914.80x = 10,485,688,099.64
  5. Step 5: Solve for x
    x = 10,485,688,099.64/83,914.80
  6. Step 6: Final answer
    x = 124,956.36

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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.