Home / 109,170.12-163,703.26-38,084.11

Finding the Fourth Proportional to 109,170.12, 163,703.26 and 38,084.11

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Solution

The fourth proportional to 109,170.12, 163,703.26 and 38,084.11 is: 57,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,170.12 : 163,703.26 = 38,084.11 : x
  2. Step 2: Convert to fraction form
    109,170.12/163,703.26 = 38,084.11/x
  3. Step 3: Cross multiply
    109,170.12x = 163,703.26 × 38,084.11
  4. Step 4: Simplify right side
    109,170.12x = 6,234,492,961.20
  5. Step 5: Solve for x
    x = 6,234,492,961.20/109,170.12
  6. Step 6: Final answer
    x = 57,108.05

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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.