Home / 109,705.11-164,557.67-30,820.02

Finding the Fourth Proportional to 109,705.11, 164,557.67 and 30,820.02

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Solution

The fourth proportional to 109,705.11, 164,557.67 and 30,820.02 is: 46,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705.11 : 164,557.67 = 30,820.02 : x
  2. Step 2: Convert to fraction form
    109,705.11/164,557.67 = 30,820.02/x
  3. Step 3: Cross multiply
    109,705.11x = 164,557.67 × 30,820.02
  4. Step 4: Simplify right side
    109,705.11x = 5,071,670,680.55
  5. Step 5: Solve for x
    x = 5,071,670,680.55/109,705.11
  6. Step 6: Final answer
    x = 46,230.03

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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.