Home / 43,670.80-65,494.20-12,073.36

Finding the Fourth Proportional to 43,670.80, 65,494.20 and 12,073.36

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Solution

The fourth proportional to 43,670.80, 65,494.20 and 12,073.36 is: 18,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.80 : 65,494.20 = 12,073.36 : x
  2. Step 2: Convert to fraction form
    43,670.80/65,494.20 = 12,073.36/x
  3. Step 3: Cross multiply
    43,670.80x = 65,494.20 × 12,073.36
  4. Step 4: Simplify right side
    43,670.80x = 790,735,054.51
  5. Step 5: Solve for x
    x = 790,735,054.51/43,670.80
  6. Step 6: Final answer
    x = 18,106.72

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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.