Home / 64,756.20-97,097.43-31,467.36

Finding the Fourth Proportional to 64,756.20, 97,097.43 and 31,467.36

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Solution

The fourth proportional to 64,756.20, 97,097.43 and 31,467.36 is: 47,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,756.20 : 97,097.43 = 31,467.36 : x
  2. Step 2: Convert to fraction form
    64,756.20/97,097.43 = 31,467.36/x
  3. Step 3: Cross multiply
    64,756.20x = 97,097.43 × 31,467.36
  4. Step 4: Simplify right side
    64,756.20x = 3,055,399,784.88
  5. Step 5: Solve for x
    x = 3,055,399,784.88/64,756.20
  6. Step 6: Final answer
    x = 47,183.12

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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.