Home / 251,359.74-377,036.37-61,821.72

Finding the Fourth Proportional to 251,359.74, 377,036.37 and 61,821.72

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Solution

The fourth proportional to 251,359.74, 377,036.37 and 61,821.72 is: 92,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,359.74 : 377,036.37 = 61,821.72 : x
  2. Step 2: Convert to fraction form
    251,359.74/377,036.37 = 61,821.72/x
  3. Step 3: Cross multiply
    251,359.74x = 377,036.37 × 61,821.72
  4. Step 4: Simplify right side
    251,359.74x = 23,309,036,895.96
  5. Step 5: Solve for x
    x = 23,309,036,895.96/251,359.74
  6. Step 6: Final answer
    x = 92,731.78

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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.