Home / 93,361.20-139,944.60-51,176.40

Finding the Fourth Proportional to 93,361.20, 139,944.60 and 51,176.40

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Solution

The fourth proportional to 93,361.20, 139,944.60 and 51,176.40 is: 76,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,361.20 : 139,944.60 = 51,176.40 : x
  2. Step 2: Convert to fraction form
    93,361.20/139,944.60 = 51,176.40/x
  3. Step 3: Cross multiply
    93,361.20x = 139,944.60 × 51,176.40
  4. Step 4: Simplify right side
    93,361.20x = 7,161,860,827.44
  5. Step 5: Solve for x
    x = 7,161,860,827.44/93,361.20
  6. Step 6: Final answer
    x = 76,711.32

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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.