Home / 104,930.96-157,442.80-54,999.12

Finding the Fourth Proportional to 104,930.96, 157,442.80 and 54,999.12

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Solution

The fourth proportional to 104,930.96, 157,442.80 and 54,999.12 is: 82,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.96 : 157,442.80 = 54,999.12 : x
  2. Step 2: Convert to fraction form
    104,930.96/157,442.80 = 54,999.12/x
  3. Step 3: Cross multiply
    104,930.96x = 157,442.80 × 54,999.12
  4. Step 4: Simplify right side
    104,930.96x = 8,659,215,450.34
  5. Step 5: Solve for x
    x = 8,659,215,450.34/104,930.96
  6. Step 6: Final answer
    x = 82,522.98

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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.