Home / 83,365.48-125,048.22-28,000.36

Finding the Fourth Proportional to 83,365.48, 125,048.22 and 28,000.36

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Solution

The fourth proportional to 83,365.48, 125,048.22 and 28,000.36 is: 42,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,365.48 : 125,048.22 = 28,000.36 : x
  2. Step 2: Convert to fraction form
    83,365.48/125,048.22 = 28,000.36/x
  3. Step 3: Cross multiply
    83,365.48x = 125,048.22 × 28,000.36
  4. Step 4: Simplify right side
    83,365.48x = 3,501,394,759.74
  5. Step 5: Solve for x
    x = 3,501,394,759.74/83,365.48
  6. Step 6: Final answer
    x = 42,000.54

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1.5x scale

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.