Home / 108,993.25-163,253.28-52,715.35

Finding the Fourth Proportional to 108,993.25, 163,253.28 and 52,715.35

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Solution

The fourth proportional to 108,993.25, 163,253.28 and 52,715.35 is: 78,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,993.25 : 163,253.28 = 52,715.35 : x
  2. Step 2: Convert to fraction form
    108,993.25/163,253.28 = 52,715.35/x
  3. Step 3: Cross multiply
    108,993.25x = 163,253.28 × 52,715.35
  4. Step 4: Simplify right side
    108,993.25x = 8,605,953,291.66
  5. Step 5: Solve for x
    x = 8,605,953,291.66/108,993.25
  6. Step 6: Final answer
    x = 78,958.59

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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.