Home / 45,212.94-67,806.42-15,623.10

Finding the Fourth Proportional to 45,212.94, 67,806.42 and 15,623.10

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Solution

The fourth proportional to 45,212.94, 67,806.42 and 15,623.10 is: 23,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.94 : 67,806.42 = 15,623.10 : x
  2. Step 2: Convert to fraction form
    45,212.94/67,806.42 = 15,623.10/x
  3. Step 3: Cross multiply
    45,212.94x = 67,806.42 × 15,623.10
  4. Step 4: Simplify right side
    45,212.94x = 1,059,346,480.30
  5. Step 5: Solve for x
    x = 1,059,346,480.30/45,212.94
  6. Step 6: Final answer
    x = 23,430.16

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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.