Home / 43,037.96-64,560.65-11,873.21

Finding the Fourth Proportional to 43,037.96, 64,560.65 and 11,873.21

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Solution

The fourth proportional to 43,037.96, 64,560.65 and 11,873.21 is: 17,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.96 : 64,560.65 = 11,873.21 : x
  2. Step 2: Convert to fraction form
    43,037.96/64,560.65 = 11,873.21/x
  3. Step 3: Cross multiply
    43,037.96x = 64,560.65 × 11,873.21
  4. Step 4: Simplify right side
    43,037.96x = 766,541,862.07
  5. Step 5: Solve for x
    x = 766,541,862.07/43,037.96
  6. Step 6: Final answer
    x = 17,810.83

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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.