Home / 64,780.20-97,170.30-25,309.64

Finding the Fourth Proportional to 64,780.20, 97,170.30 and 25,309.64

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Solution

The fourth proportional to 64,780.20, 97,170.30 and 25,309.64 is: 37,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,780.20 : 97,170.30 = 25,309.64 : x
  2. Step 2: Convert to fraction form
    64,780.20/97,170.30 = 25,309.64/x
  3. Step 3: Cross multiply
    64,780.20x = 97,170.30 × 25,309.64
  4. Step 4: Simplify right side
    64,780.20x = 2,459,345,554.62
  5. Step 5: Solve for x
    x = 2,459,345,554.62/64,780.20
  6. Step 6: Final answer
    x = 37,964.46

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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.