Home / 105,594.22-145,713.90-57,839.25

Finding the Fourth Proportional to 105,594.22, 145,713.90 and 57,839.25

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Solution

The fourth proportional to 105,594.22, 145,713.90 and 57,839.25 is: 79,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,594.22 : 145,713.90 = 57,839.25 : x
  2. Step 2: Convert to fraction form
    105,594.22/145,713.90 = 57,839.25/x
  3. Step 3: Cross multiply
    105,594.22x = 145,713.90 × 57,839.25
  4. Step 4: Simplify right side
    105,594.22x = 8,427,982,690.58
  5. Step 5: Solve for x
    x = 8,427,982,690.58/105,594.22
  6. Step 6: Final answer
    x = 79,814.81

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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.