Home / 83,461.83-125,105.25-30,837.75

Finding the Fourth Proportional to 83,461.83, 125,105.25 and 30,837.75

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Solution

The fourth proportional to 83,461.83, 125,105.25 and 30,837.75 is: 46,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,461.83 : 125,105.25 = 30,837.75 : x
  2. Step 2: Convert to fraction form
    83,461.83/125,105.25 = 30,837.75/x
  3. Step 3: Cross multiply
    83,461.83x = 125,105.25 × 30,837.75
  4. Step 4: Simplify right side
    83,461.83x = 3,857,964,423.19
  5. Step 5: Solve for x
    x = 3,857,964,423.19/83,461.83
  6. Step 6: Final answer
    x = 46,224.30

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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.