Home / 216,071.90-324,107.85-58,300.35

Finding the Fourth Proportional to 216,071.90, 324,107.85 and 58,300.35

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Solution

The fourth proportional to 216,071.90, 324,107.85 and 58,300.35 is: 87,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,071.90 : 324,107.85 = 58,300.35 : x
  2. Step 2: Convert to fraction form
    216,071.90/324,107.85 = 58,300.35/x
  3. Step 3: Cross multiply
    216,071.90x = 324,107.85 × 58,300.35
  4. Step 4: Simplify right side
    216,071.90x = 18,895,601,092.75
  5. Step 5: Solve for x
    x = 18,895,601,092.75/216,071.90
  6. Step 6: Final answer
    x = 87,450.53

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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.