Home / 109,738.13-164,599.03-39,617.51

Finding the Fourth Proportional to 109,738.13, 164,599.03 and 39,617.51

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Solution

The fourth proportional to 109,738.13, 164,599.03 and 39,617.51 is: 59,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.13 : 164,599.03 = 39,617.51 : x
  2. Step 2: Convert to fraction form
    109,738.13/164,599.03 = 39,617.51/x
  3. Step 3: Cross multiply
    109,738.13x = 164,599.03 × 39,617.51
  4. Step 4: Simplify right side
    109,738.13x = 6,521,003,617.97
  5. Step 5: Solve for x
    x = 6,521,003,617.97/109,738.13
  6. Step 6: Final answer
    x = 59,423.32

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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.