Home / 43,356.91-65,046.27-12,192.16

Finding the Fourth Proportional to 43,356.91, 65,046.27 and 12,192.16

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Solution

The fourth proportional to 43,356.91, 65,046.27 and 12,192.16 is: 18,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.91 : 65,046.27 = 12,192.16 : x
  2. Step 2: Convert to fraction form
    43,356.91/65,046.27 = 12,192.16/x
  3. Step 3: Cross multiply
    43,356.91x = 65,046.27 × 12,192.16
  4. Step 4: Simplify right side
    43,356.91x = 793,054,531.24
  5. Step 5: Solve for x
    x = 793,054,531.24/43,356.91
  6. Step 6: Final answer
    x = 18,291.31

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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.