Home / 103,029.38-154,566.28-31,950.60

Finding the Fourth Proportional to 103,029.38, 154,566.28 and 31,950.60

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Solution

The fourth proportional to 103,029.38, 154,566.28 and 31,950.60 is: 47,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,029.38 : 154,566.28 = 31,950.60 : x
  2. Step 2: Convert to fraction form
    103,029.38/154,566.28 = 31,950.60/x
  3. Step 3: Cross multiply
    103,029.38x = 154,566.28 × 31,950.60
  4. Step 4: Simplify right side
    103,029.38x = 4,938,485,385.77
  5. Step 5: Solve for x
    x = 4,938,485,385.77/103,029.38
  6. Step 6: Final answer
    x = 47,932.79

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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.