Home / 49,142.04-67,799.70-40,051.77

Finding the Fourth Proportional to 49,142.04, 67,799.70 and 40,051.77

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Solution

The fourth proportional to 49,142.04, 67,799.70 and 40,051.77 is: 55,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.04 : 67,799.70 = 40,051.77 : x
  2. Step 2: Convert to fraction form
    49,142.04/67,799.70 = 40,051.77/x
  3. Step 3: Cross multiply
    49,142.04x = 67,799.70 × 40,051.77
  4. Step 4: Simplify right side
    49,142.04x = 2,715,497,948.09
  5. Step 5: Solve for x
    x = 2,715,497,948.09/49,142.04
  6. Step 6: Final answer
    x = 55,258.15

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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.