Home / 102,823.04-154,177.25-31,725.48

Finding the Fourth Proportional to 102,823.04, 154,177.25 and 31,725.48

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Solution

The fourth proportional to 102,823.04, 154,177.25 and 31,725.48 is: 47,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.04 : 154,177.25 = 31,725.48 : x
  2. Step 2: Convert to fraction form
    102,823.04/154,177.25 = 31,725.48/x
  3. Step 3: Cross multiply
    102,823.04x = 154,177.25 × 31,725.48
  4. Step 4: Simplify right side
    102,823.04x = 4,891,347,102.70
  5. Step 5: Solve for x
    x = 4,891,347,102.70/102,823.04
  6. Step 6: Final answer
    x = 47,570.54

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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.