Home / 83,521.87-125,348.41-46,107.76

Finding the Fourth Proportional to 83,521.87, 125,348.41 and 46,107.76

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Solution

The fourth proportional to 83,521.87, 125,348.41 and 46,107.76 is: 69,197.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,521.87 : 125,348.41 = 46,107.76 : x
  2. Step 2: Convert to fraction form
    83,521.87/125,348.41 = 46,107.76/x
  3. Step 3: Cross multiply
    83,521.87x = 125,348.41 × 46,107.76
  4. Step 4: Simplify right side
    83,521.87x = 5,779,534,817.08
  5. Step 5: Solve for x
    x = 5,779,534,817.08/83,521.87
  6. Step 6: Final answer
    x = 69,197.86

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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.