Home / 43,101.64-64,656.96-11,936.89

Finding the Fourth Proportional to 43,101.64, 64,656.96 and 11,936.89

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Solution

The fourth proportional to 43,101.64, 64,656.96 and 11,936.89 is: 17,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,101.64 : 64,656.96 = 11,936.89 : x
  2. Step 2: Convert to fraction form
    43,101.64/64,656.96 = 11,936.89/x
  3. Step 3: Cross multiply
    43,101.64x = 64,656.96 × 11,936.89
  4. Step 4: Simplify right side
    43,101.64x = 771,803,019.25
  5. Step 5: Solve for x
    x = 771,803,019.25/43,101.64
  6. Step 6: Final answer
    x = 17,906.58

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1.5x scale

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.