Home / 109,428.46-164,044.24-39,291.37

Finding the Fourth Proportional to 109,428.46, 164,044.24 and 39,291.37

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Solution

The fourth proportional to 109,428.46, 164,044.24 and 39,291.37 is: 58,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,428.46 : 164,044.24 = 39,291.37 : x
  2. Step 2: Convert to fraction form
    109,428.46/164,044.24 = 39,291.37/x
  3. Step 3: Cross multiply
    109,428.46x = 164,044.24 × 39,291.37
  4. Step 4: Simplify right side
    109,428.46x = 6,445,522,421.87
  5. Step 5: Solve for x
    x = 6,445,522,421.87/109,428.46
  6. Step 6: Final answer
    x = 58,901.70

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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.