Home / 83,195.37-124,842.47-30,641.76

Finding the Fourth Proportional to 83,195.37, 124,842.47 and 30,641.76

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Solution

The fourth proportional to 83,195.37, 124,842.47 and 30,641.76 is: 45,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,195.37 : 124,842.47 = 30,641.76 : x
  2. Step 2: Convert to fraction form
    83,195.37/124,842.47 = 30,641.76/x
  3. Step 3: Cross multiply
    83,195.37x = 124,842.47 × 30,641.76
  4. Step 4: Simplify right side
    83,195.37x = 3,825,392,850.34
  5. Step 5: Solve for x
    x = 3,825,392,850.34/83,195.37
  6. Step 6: Final answer
    x = 45,980.84

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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.