Home / 102,558.11-153,786.48-31,463.73

Finding the Fourth Proportional to 102,558.11, 153,786.48 and 31,463.73

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Solution

The fourth proportional to 102,558.11, 153,786.48 and 31,463.73 is: 47,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.11 : 153,786.48 = 31,463.73 : x
  2. Step 2: Convert to fraction form
    102,558.11/153,786.48 = 31,463.73/x
  3. Step 3: Cross multiply
    102,558.11x = 153,786.48 × 31,463.73
  4. Step 4: Simplify right side
    102,558.11x = 4,838,696,284.37
  5. Step 5: Solve for x
    x = 4,838,696,284.37/102,558.11
  6. Step 6: Final answer
    x = 47,180.05

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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.