Home / 83,818.24-125,727.36-28,399.36

Finding the Fourth Proportional to 83,818.24, 125,727.36 and 28,399.36

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Solution

The fourth proportional to 83,818.24, 125,727.36 and 28,399.36 is: 42,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.24 : 125,727.36 = 28,399.36 : x
  2. Step 2: Convert to fraction form
    83,818.24/125,727.36 = 28,399.36/x
  3. Step 3: Cross multiply
    83,818.24x = 125,727.36 × 28,399.36
  4. Step 4: Simplify right side
    83,818.24x = 3,570,576,558.49
  5. Step 5: Solve for x
    x = 3,570,576,558.49/83,818.24
  6. Step 6: Final answer
    x = 42,599.04

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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.