Home / 93,475.17-139,989.23-53,912.34

Finding the Fourth Proportional to 93,475.17, 139,989.23 and 53,912.34

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Solution

The fourth proportional to 93,475.17, 139,989.23 and 53,912.34 is: 80,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,475.17 : 139,989.23 = 53,912.34 : x
  2. Step 2: Convert to fraction form
    93,475.17/139,989.23 = 53,912.34/x
  3. Step 3: Cross multiply
    93,475.17x = 139,989.23 × 53,912.34
  4. Step 4: Simplify right side
    93,475.17x = 7,547,146,694.54
  5. Step 5: Solve for x
    x = 7,547,146,694.54/93,475.17
  6. Step 6: Final answer
    x = 80,739.59

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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.