Home / 109,412.57-164,118.86-34,585.28

Finding the Fourth Proportional to 109,412.57, 164,118.86 and 34,585.28

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Solution

The fourth proportional to 109,412.57, 164,118.86 and 34,585.28 is: 51,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,412.57 : 164,118.86 = 34,585.28 : x
  2. Step 2: Convert to fraction form
    109,412.57/164,118.86 = 34,585.28/x
  3. Step 3: Cross multiply
    109,412.57x = 164,118.86 × 34,585.28
  4. Step 4: Simplify right side
    109,412.57x = 5,676,096,726.38
  5. Step 5: Solve for x
    x = 5,676,096,726.38/109,412.57
  6. Step 6: Final answer
    x = 51,877.92

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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.