Home / 83,950.20-125,633.70-57,706.20

Finding the Fourth Proportional to 83,950.20, 125,633.70 and 57,706.20

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Solution

The fourth proportional to 83,950.20, 125,633.70 and 57,706.20 is: 86,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,950.20 : 125,633.70 = 57,706.20 : x
  2. Step 2: Convert to fraction form
    83,950.20/125,633.70 = 57,706.20/x
  3. Step 3: Cross multiply
    83,950.20x = 125,633.70 × 57,706.20
  4. Step 4: Simplify right side
    83,950.20x = 7,249,843,418.94
  5. Step 5: Solve for x
    x = 7,249,843,418.94/83,950.20
  6. Step 6: Final answer
    x = 86,358.86

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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.