Home / 83,739.18-125,608.77-39,333.36

Finding the Fourth Proportional to 83,739.18, 125,608.77 and 39,333.36

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Solution

The fourth proportional to 83,739.18, 125,608.77 and 39,333.36 is: 59,000.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.18 : 125,608.77 = 39,333.36 : x
  2. Step 2: Convert to fraction form
    83,739.18/125,608.77 = 39,333.36/x
  3. Step 3: Cross multiply
    83,739.18x = 125,608.77 × 39,333.36
  4. Step 4: Simplify right side
    83,739.18x = 4,940,614,969.57
  5. Step 5: Solve for x
    x = 4,940,614,969.57/83,739.18
  6. Step 6: Final answer
    x = 59,000.04

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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.