Home / 43,708.11-65,549.86-12,110.51

Finding the Fourth Proportional to 43,708.11, 65,549.86 and 12,110.51

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Solution

The fourth proportional to 43,708.11, 65,549.86 and 12,110.51 is: 18,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,708.11 : 65,549.86 = 12,110.51 : x
  2. Step 2: Convert to fraction form
    43,708.11/65,549.86 = 12,110.51/x
  3. Step 3: Cross multiply
    43,708.11x = 65,549.86 × 12,110.51
  4. Step 4: Simplify right side
    43,708.11x = 793,842,368.63
  5. Step 5: Solve for x
    x = 793,842,368.63/43,708.11
  6. Step 6: Final answer
    x = 18,162.36

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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.