Home / 93,421.20-140,115.60-34,226.40

Finding the Fourth Proportional to 93,421.20, 140,115.60 and 34,226.40

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Solution

The fourth proportional to 93,421.20, 140,115.60 and 34,226.40 is: 51,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.20 : 140,115.60 = 34,226.40 : x
  2. Step 2: Convert to fraction form
    93,421.20/140,115.60 = 34,226.40/x
  3. Step 3: Cross multiply
    93,421.20x = 140,115.60 × 34,226.40
  4. Step 4: Simplify right side
    93,421.20x = 4,795,652,571.84
  5. Step 5: Solve for x
    x = 4,795,652,571.84/93,421.20
  6. Step 6: Final answer
    x = 51,333.66

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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.