Home / 74,946.83-103,425.39-40,954.59

Finding the Fourth Proportional to 74,946.83, 103,425.39 and 40,954.59

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Solution

The fourth proportional to 74,946.83, 103,425.39 and 40,954.59 is: 56,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.83 : 103,425.39 = 40,954.59 : x
  2. Step 2: Convert to fraction form
    74,946.83/103,425.39 = 40,954.59/x
  3. Step 3: Cross multiply
    74,946.83x = 103,425.39 × 40,954.59
  4. Step 4: Simplify right side
    74,946.83x = 4,235,744,443.04
  5. Step 5: Solve for x
    x = 4,235,744,443.04/74,946.83
  6. Step 6: Final answer
    x = 56,516.66

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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.