Home / 103,420.46-155,177.48-52,793.33

Finding the Fourth Proportional to 103,420.46, 155,177.48 and 52,793.33

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Solution

The fourth proportional to 103,420.46, 155,177.48 and 52,793.33 is: 79,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,420.46 : 155,177.48 = 52,793.33 : x
  2. Step 2: Convert to fraction form
    103,420.46/155,177.48 = 52,793.33/x
  3. Step 3: Cross multiply
    103,420.46x = 155,177.48 × 52,793.33
  4. Step 4: Simplify right side
    103,420.46x = 8,192,336,034.19
  5. Step 5: Solve for x
    x = 8,192,336,034.19/103,420.46
  6. Step 6: Final answer
    x = 79,213.88

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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.