Home / 43,102.45-64,653.45-11,081.48

Finding the Fourth Proportional to 43,102.45, 64,653.45 and 11,081.48

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Solution

The fourth proportional to 43,102.45, 64,653.45 and 11,081.48 is: 16,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,102.45 : 64,653.45 = 11,081.48 : x
  2. Step 2: Convert to fraction form
    43,102.45/64,653.45 = 11,081.48/x
  3. Step 3: Cross multiply
    43,102.45x = 64,653.45 × 11,081.48
  4. Step 4: Simplify right side
    43,102.45x = 716,455,913.11
  5. Step 5: Solve for x
    x = 716,455,913.11/43,102.45
  6. Step 6: Final answer
    x = 16,622.16

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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.