Home / 109,720.08-164,580.10-38,625.97

Finding the Fourth Proportional to 109,720.08, 164,580.10 and 38,625.97

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Solution

The fourth proportional to 109,720.08, 164,580.10 and 38,625.97 is: 57,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,720.08 : 164,580.10 = 38,625.97 : x
  2. Step 2: Convert to fraction form
    109,720.08/164,580.10 = 38,625.97/x
  3. Step 3: Cross multiply
    109,720.08x = 164,580.10 × 38,625.97
  4. Step 4: Simplify right side
    109,720.08x = 6,357,066,005.20
  5. Step 5: Solve for x
    x = 6,357,066,005.20/109,720.08
  6. Step 6: Final answer
    x = 57,938.95

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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.