Home / 51,234.24-70,709.73-31,089.96

Finding the Fourth Proportional to 51,234.24, 70,709.73 and 31,089.96

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Solution

The fourth proportional to 51,234.24, 70,709.73 and 31,089.96 is: 42,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.24 : 70,709.73 = 31,089.96 : x
  2. Step 2: Convert to fraction form
    51,234.24/70,709.73 = 31,089.96/x
  3. Step 3: Cross multiply
    51,234.24x = 70,709.73 × 31,089.96
  4. Step 4: Simplify right side
    51,234.24x = 2,198,362,677.31
  5. Step 5: Solve for x
    x = 2,198,362,677.31/51,234.24
  6. Step 6: Final answer
    x = 42,908.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.