Home / 43,041.64-64,560.78-11,876.08

Finding the Fourth Proportional to 43,041.64, 64,560.78 and 11,876.08

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Solution

The fourth proportional to 43,041.64, 64,560.78 and 11,876.08 is: 17,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.64 : 64,560.78 = 11,876.08 : x
  2. Step 2: Convert to fraction form
    43,041.64/64,560.78 = 11,876.08/x
  3. Step 3: Cross multiply
    43,041.64x = 64,560.78 × 11,876.08
  4. Step 4: Simplify right side
    43,041.64x = 766,728,988.14
  5. Step 5: Solve for x
    x = 766,728,988.14/43,041.64
  6. Step 6: Final answer
    x = 17,813.66

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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.