Home / 75,002.13-103,453.89-48,102.03

Finding the Fourth Proportional to 75,002.13, 103,453.89 and 48,102.03

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Solution

The fourth proportional to 75,002.13, 103,453.89 and 48,102.03 is: 66,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.13 : 103,453.89 = 48,102.03 : x
  2. Step 2: Convert to fraction form
    75,002.13/103,453.89 = 48,102.03/x
  3. Step 3: Cross multiply
    75,002.13x = 103,453.89 × 48,102.03
  4. Step 4: Simplify right side
    75,002.13x = 4,976,342,120.40
  5. Step 5: Solve for x
    x = 4,976,342,120.40/75,002.13
  6. Step 6: Final answer
    x = 66,349.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.