Home / 97,709.31-146,574.59-31,133.79

Finding the Fourth Proportional to 97,709.31, 146,574.59 and 31,133.79

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Solution

The fourth proportional to 97,709.31, 146,574.59 and 31,133.79 is: 46,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,709.31 : 146,574.59 = 31,133.79 : x
  2. Step 2: Convert to fraction form
    97,709.31/146,574.59 = 31,133.79/x
  3. Step 3: Cross multiply
    97,709.31x = 146,574.59 × 31,133.79
  4. Step 4: Simplify right side
    97,709.31x = 4,563,422,348.73
  5. Step 5: Solve for x
    x = 4,563,422,348.73/97,709.31
  6. Step 6: Final answer
    x = 46,704.07

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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.