Home / 109,426.14-164,073.60-53,155.44

Finding the Fourth Proportional to 109,426.14, 164,073.60 and 53,155.44

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Solution

The fourth proportional to 109,426.14, 164,073.60 and 53,155.44 is: 79,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,426.14 : 164,073.60 = 53,155.44 : x
  2. Step 2: Convert to fraction form
    109,426.14/164,073.60 = 53,155.44/x
  3. Step 3: Cross multiply
    109,426.14x = 164,073.60 × 53,155.44
  4. Step 4: Simplify right side
    109,426.14x = 8,721,404,400.38
  5. Step 5: Solve for x
    x = 8,721,404,400.38/109,426.14
  6. Step 6: Final answer
    x = 79,701.29

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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.