Home / 109,947.30-164,926.35-57,459.30

Finding the Fourth Proportional to 109,947.30, 164,926.35 and 57,459.30

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Solution

The fourth proportional to 109,947.30, 164,926.35 and 57,459.30 is: 86,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.30 : 164,926.35 = 57,459.30 : x
  2. Step 2: Convert to fraction form
    109,947.30/164,926.35 = 57,459.30/x
  3. Step 3: Cross multiply
    109,947.30x = 164,926.35 × 57,459.30
  4. Step 4: Simplify right side
    109,947.30x = 9,476,552,622.56
  5. Step 5: Solve for x
    x = 9,476,552,622.56/109,947.30
  6. Step 6: Final answer
    x = 86,191.77

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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.