Home / 83,523.90-125,280.09-39,160.50

Finding the Fourth Proportional to 83,523.90, 125,280.09 and 39,160.50

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Solution

The fourth proportional to 83,523.90, 125,280.09 and 39,160.50 is: 58,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,523.90 : 125,280.09 = 39,160.50 : x
  2. Step 2: Convert to fraction form
    83,523.90/125,280.09 = 39,160.50/x
  3. Step 3: Cross multiply
    83,523.90x = 125,280.09 × 39,160.50
  4. Step 4: Simplify right side
    83,523.90x = 4,906,030,964.45
  5. Step 5: Solve for x
    x = 4,906,030,964.45/83,523.90
  6. Step 6: Final answer
    x = 58,738.05

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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.