Home / 104,949.50-157,450.90-31,077.50

Finding the Fourth Proportional to 104,949.50, 157,450.90 and 31,077.50

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Solution

The fourth proportional to 104,949.50, 157,450.90 and 31,077.50 is: 46,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,949.50 : 157,450.90 = 31,077.50 : x
  2. Step 2: Convert to fraction form
    104,949.50/157,450.90 = 31,077.50/x
  3. Step 3: Cross multiply
    104,949.50x = 157,450.90 × 31,077.50
  4. Step 4: Simplify right side
    104,949.50x = 4,893,180,344.75
  5. Step 5: Solve for x
    x = 4,893,180,344.75/104,949.50
  6. Step 6: Final answer
    x = 46,624.14

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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.