Home / 81,839.57-112,937.50-46,029.57

Finding the Fourth Proportional to 81,839.57, 112,937.50 and 46,029.57

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Solution

The fourth proportional to 81,839.57, 112,937.50 and 46,029.57 is: 63,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,839.57 : 112,937.50 = 46,029.57 : x
  2. Step 2: Convert to fraction form
    81,839.57/112,937.50 = 46,029.57/x
  3. Step 3: Cross multiply
    81,839.57x = 112,937.50 × 46,029.57
  4. Step 4: Simplify right side
    81,839.57x = 5,198,464,446.80
  5. Step 5: Solve for x
    x = 5,198,464,446.80/81,839.57
  6. Step 6: Final answer
    x = 63,520.18

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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.