Home / 83,840.07-115,694.15-48,021.87

Finding the Fourth Proportional to 83,840.07, 115,694.15 and 48,021.87

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Solution

The fourth proportional to 83,840.07, 115,694.15 and 48,021.87 is: 66,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.07 : 115,694.15 = 48,021.87 : x
  2. Step 2: Convert to fraction form
    83,840.07/115,694.15 = 48,021.87/x
  3. Step 3: Cross multiply
    83,840.07x = 115,694.15 × 48,021.87
  4. Step 4: Simplify right side
    83,840.07x = 5,555,849,190.95
  5. Step 5: Solve for x
    x = 5,555,849,190.95/83,840.07
  6. Step 6: Final answer
    x = 66,267.23

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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.