Home / 109,686.12-164,535.68-34,804.88

Finding the Fourth Proportional to 109,686.12, 164,535.68 and 34,804.88

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Solution

The fourth proportional to 109,686.12, 164,535.68 and 34,804.88 is: 52,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,686.12 : 164,535.68 = 34,804.88 : x
  2. Step 2: Convert to fraction form
    109,686.12/164,535.68 = 34,804.88/x
  3. Step 3: Cross multiply
    109,686.12x = 164,535.68 × 34,804.88
  4. Step 4: Simplify right side
    109,686.12x = 5,726,644,598.12
  5. Step 5: Solve for x
    x = 5,726,644,598.12/109,686.12
  6. Step 6: Final answer
    x = 52,209.38

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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.