Home / 76,566.11-105,669.65-43,863.63

Finding the Fourth Proportional to 76,566.11, 105,669.65 and 43,863.63

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Solution

The fourth proportional to 76,566.11, 105,669.65 and 43,863.63 is: 60,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,566.11 : 105,669.65 = 43,863.63 : x
  2. Step 2: Convert to fraction form
    76,566.11/105,669.65 = 43,863.63/x
  3. Step 3: Cross multiply
    76,566.11x = 105,669.65 × 43,863.63
  4. Step 4: Simplify right side
    76,566.11x = 4,635,053,896.49
  5. Step 5: Solve for x
    x = 4,635,053,896.49/76,566.11
  6. Step 6: Final answer
    x = 60,536.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.