Home / 43,634.34-65,457.38-14,045.04

Finding the Fourth Proportional to 43,634.34, 65,457.38 and 14,045.04

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Solution

The fourth proportional to 43,634.34, 65,457.38 and 14,045.04 is: 21,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.34 : 65,457.38 = 14,045.04 : x
  2. Step 2: Convert to fraction form
    43,634.34/65,457.38 = 14,045.04/x
  3. Step 3: Cross multiply
    43,634.34x = 65,457.38 × 14,045.04
  4. Step 4: Simplify right side
    43,634.34x = 919,351,520.40
  5. Step 5: Solve for x
    x = 919,351,520.40/43,634.34
  6. Step 6: Final answer
    x = 21,069.45

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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.