Home / 93,401.30-128,743.22-63,175.60

Finding the Fourth Proportional to 93,401.30, 128,743.22 and 63,175.60

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Solution

The fourth proportional to 93,401.30, 128,743.22 and 63,175.60 is: 87,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.30 : 128,743.22 = 63,175.60 : x
  2. Step 2: Convert to fraction form
    93,401.30/128,743.22 = 63,175.60/x
  3. Step 3: Cross multiply
    93,401.30x = 128,743.22 × 63,175.60
  4. Step 4: Simplify right side
    93,401.30x = 8,133,429,764.12
  5. Step 5: Solve for x
    x = 8,133,429,764.12/93,401.30
  6. Step 6: Final answer
    x = 87,080.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.