Home / 43,260.12-64,889.77-13,677.96

Finding the Fourth Proportional to 43,260.12, 64,889.77 and 13,677.96

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Solution

The fourth proportional to 43,260.12, 64,889.77 and 13,677.96 is: 20,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260.12 : 64,889.77 = 13,677.96 : x
  2. Step 2: Convert to fraction form
    43,260.12/64,889.77 = 13,677.96/x
  3. Step 3: Cross multiply
    43,260.12x = 64,889.77 × 13,677.96
  4. Step 4: Simplify right side
    43,260.12x = 887,559,678.47
  5. Step 5: Solve for x
    x = 887,559,678.47/43,260.12
  6. Step 6: Final answer
    x = 20,516.81

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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.