Home / 64,175.69-96,172.26-30,405.71

Finding the Fourth Proportional to 64,175.69, 96,172.26 and 30,405.71

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Solution

The fourth proportional to 64,175.69, 96,172.26 and 30,405.71 is: 45,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,175.69 : 96,172.26 = 30,405.71 : x
  2. Step 2: Convert to fraction form
    64,175.69/96,172.26 = 30,405.71/x
  3. Step 3: Cross multiply
    64,175.69x = 96,172.26 × 30,405.71
  4. Step 4: Simplify right side
    64,175.69x = 2,924,185,366.74
  5. Step 5: Solve for x
    x = 2,924,185,366.74/64,175.69
  6. Step 6: Final answer
    x = 45,565.32

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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.