Home / 83,205.37-124,857.51-30,651.76

Finding the Fourth Proportional to 83,205.37, 124,857.51 and 30,651.76

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Solution

The fourth proportional to 83,205.37, 124,857.51 and 30,651.76 is: 45,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205.37 : 124,857.51 = 30,651.76 : x
  2. Step 2: Convert to fraction form
    83,205.37/124,857.51 = 30,651.76/x
  3. Step 3: Cross multiply
    83,205.37x = 124,857.51 × 30,651.76
  4. Step 4: Simplify right side
    83,205.37x = 3,827,102,430.72
  5. Step 5: Solve for x
    x = 3,827,102,430.72/83,205.37
  6. Step 6: Final answer
    x = 45,995.86

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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.