Home / 109,579.47-164,236.96-53,335.29

Finding the Fourth Proportional to 109,579.47, 164,236.96 and 53,335.29

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Solution

The fourth proportional to 109,579.47, 164,236.96 and 53,335.29 is: 79,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579.47 : 164,236.96 = 53,335.29 : x
  2. Step 2: Convert to fraction form
    109,579.47/164,236.96 = 53,335.29/x
  3. Step 3: Cross multiply
    109,579.47x = 164,236.96 × 53,335.29
  4. Step 4: Simplify right side
    109,579.47x = 8,759,626,572.88
  5. Step 5: Solve for x
    x = 8,759,626,572.88/109,579.47
  6. Step 6: Final answer
    x = 79,938.58

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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.