Home / 109,703.28-164,561.28-30,823.62

Finding the Fourth Proportional to 109,703.28, 164,561.28 and 30,823.62

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Solution

The fourth proportional to 109,703.28, 164,561.28 and 30,823.62 is: 46,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,703.28 : 164,561.28 = 30,823.62 : x
  2. Step 2: Convert to fraction form
    109,703.28/164,561.28 = 30,823.62/x
  3. Step 3: Cross multiply
    109,703.28x = 164,561.28 × 30,823.62
  4. Step 4: Simplify right side
    109,703.28x = 5,072,374,361.43
  5. Step 5: Solve for x
    x = 5,072,374,361.43/109,703.28
  6. Step 6: Final answer
    x = 46,237.22

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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.