Home / 64,769.12-97,140.72-18,009.44

Finding the Fourth Proportional to 64,769.12, 97,140.72 and 18,009.44

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Solution

The fourth proportional to 64,769.12, 97,140.72 and 18,009.44 is: 27,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,769.12 : 97,140.72 = 18,009.44 : x
  2. Step 2: Convert to fraction form
    64,769.12/97,140.72 = 18,009.44/x
  3. Step 3: Cross multiply
    64,769.12x = 97,140.72 × 18,009.44
  4. Step 4: Simplify right side
    64,769.12x = 1,749,449,968.40
  5. Step 5: Solve for x
    x = 1,749,449,968.40/64,769.12
  6. Step 6: Final answer
    x = 27,010.56

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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.