Home / 95,558.20-143,294.10-42,940.60

Finding the Fourth Proportional to 95,558.20, 143,294.10 and 42,940.60

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Solution

The fourth proportional to 95,558.20, 143,294.10 and 42,940.60 is: 64,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558.20 : 143,294.10 = 42,940.60 : x
  2. Step 2: Convert to fraction form
    95,558.20/143,294.10 = 42,940.60/x
  3. Step 3: Cross multiply
    95,558.20x = 143,294.10 × 42,940.60
  4. Step 4: Simplify right side
    95,558.20x = 6,153,134,630.46
  5. Step 5: Solve for x
    x = 6,153,134,630.46/95,558.20
  6. Step 6: Final answer
    x = 64,391.49

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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.