Home / 109,700.22-164,581.31-30,815.13

Finding the Fourth Proportional to 109,700.22, 164,581.31 and 30,815.13

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Solution

The fourth proportional to 109,700.22, 164,581.31 and 30,815.13 is: 46,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,700.22 : 164,581.31 = 30,815.13 : x
  2. Step 2: Convert to fraction form
    109,700.22/164,581.31 = 30,815.13/x
  3. Step 3: Cross multiply
    109,700.22x = 164,581.31 × 30,815.13
  4. Step 4: Simplify right side
    109,700.22x = 5,071,594,309.14
  5. Step 5: Solve for x
    x = 5,071,594,309.14/109,700.22
  6. Step 6: Final answer
    x = 46,231.40

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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.