Home / 109,707.04-164,570.16-30,821.92

Finding the Fourth Proportional to 109,707.04, 164,570.16 and 30,821.92

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Solution

The fourth proportional to 109,707.04, 164,570.16 and 30,821.92 is: 46,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,707.04 : 164,570.16 = 30,821.92 : x
  2. Step 2: Convert to fraction form
    109,707.04/164,570.16 = 30,821.92/x
  3. Step 3: Cross multiply
    109,707.04x = 164,570.16 × 30,821.92
  4. Step 4: Simplify right side
    109,707.04x = 5,072,368,305.91
  5. Step 5: Solve for x
    x = 5,072,368,305.91/109,707.04
  6. Step 6: Final answer
    x = 46,235.58

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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.