Home / 81,548.96-122,207.69-34,112.93

Finding the Fourth Proportional to 81,548.96, 122,207.69 and 34,112.93

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Solution

The fourth proportional to 81,548.96, 122,207.69 and 34,112.93 is: 51,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.96 : 122,207.69 = 34,112.93 : x
  2. Step 2: Convert to fraction form
    81,548.96/122,207.69 = 34,112.93/x
  3. Step 3: Cross multiply
    81,548.96x = 122,207.69 × 34,112.93
  4. Step 4: Simplify right side
    81,548.96x = 4,168,861,848.68
  5. Step 5: Solve for x
    x = 4,168,861,848.68/81,548.96
  6. Step 6: Final answer
    x = 51,120.97

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1.5x scale

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.