Home / 74,929.89-112,339.51-35,440.88

Finding the Fourth Proportional to 74,929.89, 112,339.51 and 35,440.88

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Solution

The fourth proportional to 74,929.89, 112,339.51 and 35,440.88 is: 53,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,929.89 : 112,339.51 = 35,440.88 : x
  2. Step 2: Convert to fraction form
    74,929.89/112,339.51 = 35,440.88/x
  3. Step 3: Cross multiply
    74,929.89x = 112,339.51 × 35,440.88
  4. Step 4: Simplify right side
    74,929.89x = 3,981,410,442.87
  5. Step 5: Solve for x
    x = 3,981,410,442.87/74,929.89
  6. Step 6: Final answer
    x = 53,135.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.