Home / 43,649.63-65,470.19-14,088.68

Finding the Fourth Proportional to 43,649.63, 65,470.19 and 14,088.68

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Solution

The fourth proportional to 43,649.63, 65,470.19 and 14,088.68 is: 21,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,649.63 : 65,470.19 = 14,088.68 : x
  2. Step 2: Convert to fraction form
    43,649.63/65,470.19 = 14,088.68/x
  3. Step 3: Cross multiply
    43,649.63x = 65,470.19 × 14,088.68
  4. Step 4: Simplify right side
    43,649.63x = 922,388,158.65
  5. Step 5: Solve for x
    x = 922,388,158.65/43,649.63
  6. Step 6: Final answer
    x = 21,131.64

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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.