Home / 84,336.33-126,448.20-34,403.00

Finding the Fourth Proportional to 84,336.33, 126,448.20 and 34,403.00

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Solution

The fourth proportional to 84,336.33, 126,448.20 and 34,403.00 is: 51,581.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,336.33 : 126,448.20 = 34,403.00 : x
  2. Step 2: Convert to fraction form
    84,336.33/126,448.20 = 34,403.00/x
  3. Step 3: Cross multiply
    84,336.33x = 126,448.20 × 34,403.00
  4. Step 4: Simplify right side
    84,336.33x = 4,350,197,740.72
  5. Step 5: Solve for x
    x = 4,350,197,740.72/84,336.33
  6. Step 6: Final answer
    x = 51,581.54

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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.