Home / 109,317.03-163,919.25-50,101.98

Finding the Fourth Proportional to 109,317.03, 163,919.25 and 50,101.98

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Solution

The fourth proportional to 109,317.03, 163,919.25 and 50,101.98 is: 75,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,317.03 : 163,919.25 = 50,101.98 : x
  2. Step 2: Convert to fraction form
    109,317.03/163,919.25 = 50,101.98/x
  3. Step 3: Cross multiply
    109,317.03x = 163,919.25 × 50,101.98
  4. Step 4: Simplify right side
    109,317.03x = 8,212,678,985.12
  5. Step 5: Solve for x
    x = 8,212,678,985.12/109,317.03
  6. Step 6: Final answer
    x = 75,127.17

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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.