Home / 108,729.15-163,101.83-38,599.35

Finding the Fourth Proportional to 108,729.15, 163,101.83 and 38,599.35

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Solution

The fourth proportional to 108,729.15, 163,101.83 and 38,599.35 is: 57,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.15 : 163,101.83 = 38,599.35 : x
  2. Step 2: Convert to fraction form
    108,729.15/163,101.83 = 38,599.35/x
  3. Step 3: Cross multiply
    108,729.15x = 163,101.83 × 38,599.35
  4. Step 4: Simplify right side
    108,729.15x = 6,295,624,428.81
  5. Step 5: Solve for x
    x = 6,295,624,428.81/108,729.15
  6. Step 6: Final answer
    x = 57,901.90

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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.