Home / 64,949.12-97,427.36-18,205.64

Finding the Fourth Proportional to 64,949.12, 97,427.36 and 18,205.64

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Solution

The fourth proportional to 64,949.12, 97,427.36 and 18,205.64 is: 27,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,949.12 : 97,427.36 = 18,205.64 : x
  2. Step 2: Convert to fraction form
    64,949.12/97,427.36 = 18,205.64/x
  3. Step 3: Cross multiply
    64,949.12x = 97,427.36 × 18,205.64
  4. Step 4: Simplify right side
    64,949.12x = 1,773,727,442.31
  5. Step 5: Solve for x
    x = 1,773,727,442.31/64,949.12
  6. Step 6: Final answer
    x = 27,309.49

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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.