Home / 53,412.21-80,118.57-13,969.41

Finding the Fourth Proportional to 53,412.21, 80,118.57 and 13,969.41

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Solution

The fourth proportional to 53,412.21, 80,118.57 and 13,969.41 is: 20,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.21 : 80,118.57 = 13,969.41 : x
  2. Step 2: Convert to fraction form
    53,412.21/80,118.57 = 13,969.41/x
  3. Step 3: Cross multiply
    53,412.21x = 80,118.57 × 13,969.41
  4. Step 4: Simplify right side
    53,412.21x = 1,119,209,152.94
  5. Step 5: Solve for x
    x = 1,119,209,152.94/53,412.21
  6. Step 6: Final answer
    x = 20,954.18

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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.