Home / 109,609.85-164,416.06-38,534.57

Finding the Fourth Proportional to 109,609.85, 164,416.06 and 38,534.57

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Solution

The fourth proportional to 109,609.85, 164,416.06 and 38,534.57 is: 57,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,609.85 : 164,416.06 = 38,534.57 : x
  2. Step 2: Convert to fraction form
    109,609.85/164,416.06 = 38,534.57/x
  3. Step 3: Cross multiply
    109,609.85x = 164,416.06 × 38,534.57
  4. Step 4: Simplify right side
    109,609.85x = 6,335,702,173.19
  5. Step 5: Solve for x
    x = 6,335,702,173.19/109,609.85
  6. Step 6: Final answer
    x = 57,802.31

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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.