Home / 113,835.58-170,609.82-57,689.80

Finding the Fourth Proportional to 113,835.58, 170,609.82 and 57,689.80

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Solution

The fourth proportional to 113,835.58, 170,609.82 and 57,689.80 is: 86,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,835.58 : 170,609.82 = 57,689.80 : x
  2. Step 2: Convert to fraction form
    113,835.58/170,609.82 = 57,689.80/x
  3. Step 3: Cross multiply
    113,835.58x = 170,609.82 × 57,689.80
  4. Step 4: Simplify right side
    113,835.58x = 9,842,446,393.84
  5. Step 5: Solve for x
    x = 9,842,446,393.84/113,835.58
  6. Step 6: Final answer
    x = 86,461.95

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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.