Home / 93,981.26-129,694.10-51,540.71

Finding the Fourth Proportional to 93,981.26, 129,694.10 and 51,540.71

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Solution

The fourth proportional to 93,981.26, 129,694.10 and 51,540.71 is: 71,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,981.26 : 129,694.10 = 51,540.71 : x
  2. Step 2: Convert to fraction form
    93,981.26/129,694.10 = 51,540.71/x
  3. Step 3: Cross multiply
    93,981.26x = 129,694.10 × 51,540.71
  4. Step 4: Simplify right side
    93,981.26x = 6,684,525,090.64
  5. Step 5: Solve for x
    x = 6,684,525,090.64/93,981.26
  6. Step 6: Final answer
    x = 71,126.15

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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.