Home / 43,039.77-64,563.37-11,875.02

Finding the Fourth Proportional to 43,039.77, 64,563.37 and 11,875.02

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Solution

The fourth proportional to 43,039.77, 64,563.37 and 11,875.02 is: 17,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,039.77 : 64,563.37 = 11,875.02 : x
  2. Step 2: Convert to fraction form
    43,039.77/64,563.37 = 11,875.02/x
  3. Step 3: Cross multiply
    43,039.77x = 64,563.37 × 11,875.02
  4. Step 4: Simplify right side
    43,039.77x = 766,690,987.20
  5. Step 5: Solve for x
    x = 766,690,987.20/43,039.77
  6. Step 6: Final answer
    x = 17,813.55

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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.