Home / 109,623.06-164,416.06-30,719.14

Finding the Fourth Proportional to 109,623.06, 164,416.06 and 30,719.14

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Solution

The fourth proportional to 109,623.06, 164,416.06 and 30,719.14 is: 46,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,623.06 : 164,416.06 = 30,719.14 : x
  2. Step 2: Convert to fraction form
    109,623.06/164,416.06 = 30,719.14/x
  3. Step 3: Cross multiply
    109,623.06x = 164,416.06 × 30,719.14
  4. Step 4: Simplify right side
    109,623.06x = 5,050,719,143.31
  5. Step 5: Solve for x
    x = 5,050,719,143.31/109,623.06
  6. Step 6: Final answer
    x = 46,073.51

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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.