Home / 109,709.30-164,569.64-34,835.30

Finding the Fourth Proportional to 109,709.30, 164,569.64 and 34,835.30

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Solution

The fourth proportional to 109,709.30, 164,569.64 and 34,835.30 is: 52,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,709.30 : 164,569.64 = 34,835.30 : x
  2. Step 2: Convert to fraction form
    109,709.30/164,569.64 = 34,835.30/x
  3. Step 3: Cross multiply
    109,709.30x = 164,569.64 × 34,835.30
  4. Step 4: Simplify right side
    109,709.30x = 5,732,832,780.29
  5. Step 5: Solve for x
    x = 5,732,832,780.29/109,709.30
  6. Step 6: Final answer
    x = 52,254.76

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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.