Home / 109,646.47-164,451.69-38,552.40

Finding the Fourth Proportional to 109,646.47, 164,451.69 and 38,552.40

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Solution

The fourth proportional to 109,646.47, 164,451.69 and 38,552.40 is: 57,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,646.47 : 164,451.69 = 38,552.40 : x
  2. Step 2: Convert to fraction form
    109,646.47/164,451.69 = 38,552.40/x
  3. Step 3: Cross multiply
    109,646.47x = 164,451.69 × 38,552.40
  4. Step 4: Simplify right side
    109,646.47x = 6,340,007,687.65
  5. Step 5: Solve for x
    x = 6,340,007,687.65/109,646.47
  6. Step 6: Final answer
    x = 57,822.27

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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.