Home / 83,858.20-125,528.10-48,693.40

Finding the Fourth Proportional to 83,858.20, 125,528.10 and 48,693.40

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Solution

The fourth proportional to 83,858.20, 125,528.10 and 48,693.40 is: 72,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,858.20 : 125,528.10 = 48,693.40 : x
  2. Step 2: Convert to fraction form
    83,858.20/125,528.10 = 48,693.40/x
  3. Step 3: Cross multiply
    83,858.20x = 125,528.10 × 48,693.40
  4. Step 4: Simplify right side
    83,858.20x = 6,112,389,984.54
  5. Step 5: Solve for x
    x = 6,112,389,984.54/83,858.20
  6. Step 6: Final answer
    x = 72,889.59

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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.