Home / 74,946.48-103,425.24-41,411.76

Finding the Fourth Proportional to 74,946.48, 103,425.24 and 41,411.76

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Solution

The fourth proportional to 74,946.48, 103,425.24 and 41,411.76 is: 57,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.48 : 103,425.24 = 41,411.76 : x
  2. Step 2: Convert to fraction form
    74,946.48/103,425.24 = 41,411.76/x
  3. Step 3: Cross multiply
    74,946.48x = 103,425.24 × 41,411.76
  4. Step 4: Simplify right side
    74,946.48x = 4,283,021,216.82
  5. Step 5: Solve for x
    x = 4,283,021,216.82/74,946.48
  6. Step 6: Final answer
    x = 57,147.73

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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.