Home / 109,590.55-164,387.45-30,699.79

Finding the Fourth Proportional to 109,590.55, 164,387.45 and 30,699.79

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Solution

The fourth proportional to 109,590.55, 164,387.45 and 30,699.79 is: 46,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,590.55 : 164,387.45 = 30,699.79 : x
  2. Step 2: Convert to fraction form
    109,590.55/164,387.45 = 30,699.79/x
  3. Step 3: Cross multiply
    109,590.55x = 164,387.45 × 30,699.79
  4. Step 4: Simplify right side
    109,590.55x = 5,046,659,629.17
  5. Step 5: Solve for x
    x = 5,046,659,629.17/109,590.55
  6. Step 6: Final answer
    x = 46,050.14

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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.