Home / 93,959.18-129,662.70-51,517.64

Finding the Fourth Proportional to 93,959.18, 129,662.70 and 51,517.64

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Solution

The fourth proportional to 93,959.18, 129,662.70 and 51,517.64 is: 71,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,959.18 : 129,662.70 = 51,517.64 : x
  2. Step 2: Convert to fraction form
    93,959.18/129,662.70 = 51,517.64/x
  3. Step 3: Cross multiply
    93,959.18x = 129,662.70 × 51,517.64
  4. Step 4: Simplify right side
    93,959.18x = 6,679,916,300.03
  5. Step 5: Solve for x
    x = 6,679,916,300.03/93,959.18
  6. Step 6: Final answer
    x = 71,093.81

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1.5x scale

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.