Home / 53,585.20-80,378.22-14,142.04

Finding the Fourth Proportional to 53,585.20, 80,378.22 and 14,142.04

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Solution

The fourth proportional to 53,585.20, 80,378.22 and 14,142.04 is: 21,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.20 : 80,378.22 = 14,142.04 : x
  2. Step 2: Convert to fraction form
    53,585.20/80,378.22 = 14,142.04/x
  3. Step 3: Cross multiply
    53,585.20x = 80,378.22 × 14,142.04
  4. Step 4: Simplify right side
    53,585.20x = 1,136,712,002.37
  5. Step 5: Solve for x
    x = 1,136,712,002.37/53,585.20
  6. Step 6: Final answer
    x = 21,213.17

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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.