Home / 93,213.18-139,805.35-51,114.04

Finding the Fourth Proportional to 93,213.18, 139,805.35 and 51,114.04

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Solution

The fourth proportional to 93,213.18, 139,805.35 and 51,114.04 is: 76,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.18 : 139,805.35 = 51,114.04 : x
  2. Step 2: Convert to fraction form
    93,213.18/139,805.35 = 51,114.04/x
  3. Step 3: Cross multiply
    93,213.18x = 139,805.35 × 51,114.04
  4. Step 4: Simplify right side
    93,213.18x = 7,146,015,996.54
  5. Step 5: Solve for x
    x = 7,146,015,996.54/93,213.18
  6. Step 6: Final answer
    x = 76,663.15

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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.