Home / 103,493.10-155,276.10-50,867.40

Finding the Fourth Proportional to 103,493.10, 155,276.10 and 50,867.40

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Solution

The fourth proportional to 103,493.10, 155,276.10 and 50,867.40 is: 76,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493.10 : 155,276.10 = 50,867.40 : x
  2. Step 2: Convert to fraction form
    103,493.10/155,276.10 = 50,867.40/x
  3. Step 3: Cross multiply
    103,493.10x = 155,276.10 × 50,867.40
  4. Step 4: Simplify right side
    103,493.10x = 7,898,491,489.14
  5. Step 5: Solve for x
    x = 7,898,491,489.14/103,493.10
  6. Step 6: Final answer
    x = 76,319.02

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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.