Home / 53,808.12-80,706.24-14,368.68

Finding the Fourth Proportional to 53,808.12, 80,706.24 and 14,368.68

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Solution

The fourth proportional to 53,808.12, 80,706.24 and 14,368.68 is: 21,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808.12 : 80,706.24 = 14,368.68 : x
  2. Step 2: Convert to fraction form
    53,808.12/80,706.24 = 14,368.68/x
  3. Step 3: Cross multiply
    53,808.12x = 80,706.24 × 14,368.68
  4. Step 4: Simplify right side
    53,808.12x = 1,159,642,136.56
  5. Step 5: Solve for x
    x = 1,159,642,136.56/53,808.12
  6. Step 6: Final answer
    x = 21,551.43

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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.