Home / 109,640.90-164,473.02-34,771.70

Finding the Fourth Proportional to 109,640.90, 164,473.02 and 34,771.70

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Solution

The fourth proportional to 109,640.90, 164,473.02 and 34,771.70 is: 52,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.90 : 164,473.02 = 34,771.70 : x
  2. Step 2: Convert to fraction form
    109,640.90/164,473.02 = 34,771.70/x
  3. Step 3: Cross multiply
    109,640.90x = 164,473.02 × 34,771.70
  4. Step 4: Simplify right side
    109,640.90x = 5,719,006,509.53
  5. Step 5: Solve for x
    x = 5,719,006,509.53/109,640.90
  6. Step 6: Final answer
    x = 52,161.25

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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.