Home / 43,790.10-65,688.39-14,212.68

Finding the Fourth Proportional to 43,790.10, 65,688.39 and 14,212.68

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Solution

The fourth proportional to 43,790.10, 65,688.39 and 14,212.68 is: 21,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.10 : 65,688.39 = 14,212.68 : x
  2. Step 2: Convert to fraction form
    43,790.10/65,688.39 = 14,212.68/x
  3. Step 3: Cross multiply
    43,790.10x = 65,688.39 × 14,212.68
  4. Step 4: Simplify right side
    43,790.10x = 933,608,066.79
  5. Step 5: Solve for x
    x = 933,608,066.79/43,790.10
  6. Step 6: Final answer
    x = 21,320.07

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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.