Home / 109,564.74-164,345.04-34,689.38

Finding the Fourth Proportional to 109,564.74, 164,345.04 and 34,689.38

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Solution

The fourth proportional to 109,564.74, 164,345.04 and 34,689.38 is: 52,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,564.74 : 164,345.04 = 34,689.38 : x
  2. Step 2: Convert to fraction form
    109,564.74/164,345.04 = 34,689.38/x
  3. Step 3: Cross multiply
    109,564.74x = 164,345.04 × 34,689.38
  4. Step 4: Simplify right side
    109,564.74x = 5,701,027,543.68
  5. Step 5: Solve for x
    x = 5,701,027,543.68/109,564.74
  6. Step 6: Final answer
    x = 52,033.41

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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.